CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-disabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>Extension:WikibaseQualityConstraints - MediaWiki</title> <script>(function(){var className="client-js vector-feature-language-in-header-disabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )mediawikiwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""], "wgDefaultDateFormat":"dmy","wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"131940f4-c3da-4691-bb1f-c15a8636a132","wgCanonicalNamespace":"Extension","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":102,"wgPageName":"Extension:WikibaseQualityConstraints","wgTitle":"WikibaseQualityConstraints","wgCurRevisionId":6214194,"wgRevisionId":6214194,"wgArticleId":457601,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Extensions without an image","Extensions with release branches compatibility policy","Extensions with manual MediaWiki version","Stable extensions","User interface extensions","Extensions supporting Composer","GPL licensed extensions","Extensions in Wikimedia version control","ArticlePurge extensions","BeforePageDisplay extensions","LoadExtensionSchemaUpdates extensions","WikibaseChangeNotification extensions", "All extensions","Extensions requiring Composer with git","Extensions used on Wikimedia","Extensions included in Miraheze","Extensions included in ProWiki","Extensions included in WikiForge","Wikibase","Wikibase extensions"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Extension:WikibaseQualityConstraints","wgRelevantArticleId":457601,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"mediawiki","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":2000,"wgInternalRedirectTargetUrl":"/wiki/Extension:WikibaseQualityConstraints", "wgTranslatePageTranslation":"source","wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"personal","wgULSisCompactLinksEnabled":true,"wgVector2022LanguageInHeader":false,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q54812269","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"]};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.translate.tag.languages":"ready","ext.pygments":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.translate.edit.documentation.styles":"ready","ext.translate":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.pt":"ready","wikibase.client.init":"ready" ,"ext.wikimediaBadges":"ready"};RLPAGEMODULES=["mediawiki.action.view.redirect","ext.pygments.view","site","mediawiki.page.ready","jquery.makeCollapsible","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.translate.pagetranslation.uls","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.compactlinks","ext.uls.interface","wikibase.client.vector-2022","ext.checkUser.clientHints","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&modules=ext.pygments%2Ctranslate%2CwikimediaBadges%7Cext.translate.edit.documentation.styles%7Cext.translate.tag.languages%7Cext.uls.pt%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta name="viewport" content="width=1120"> <meta property="og:site_name" content="MediaWiki"> <meta property="og:title" content="Extension:WikibaseQualityConstraints - MediaWiki"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//m.mediawiki.org/wiki/Extension:WikibaseQualityConstraints"> <link rel="alternate" type="application/x-wiki" title="Edit" href="/w/index.php?title=Extension:WikibaseQualityConstraints&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/mediawiki.png"> <link rel="icon" href="/static/favicon/mediawiki.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="MediaWiki (en)"> <link rel="EditURI" type="application/rsd+xml" href="//www.mediawiki.org/w/api.php?action=rsd"> <link rel="canonical" href="https://www.mediawiki.org/wiki/Extension:WikibaseQualityConstraints"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/"> <link rel="alternate" type="application/atom+xml" title="MediaWiki Atom feed" href="/w/index.php?title=Special:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-102 ns-subject mw-editable page-Extension_WikibaseQualityConstraints rootpage-Extension_WikibaseQualityConstraints skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/MediaWiki" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-mw-download" class="mw-list-item"><a href="/wiki/Download"><span>Get MediaWiki</span></a></li><li id="n-mw-extensions" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Category:Extensions"><span>Get extensions</span></a></li><li id="n-blog-text" class="mw-list-item"><a href="https://techblog.wikimedia.org/"><span>Tech blog</span></a></li><li id="n-mw-contribute" class="mw-list-item"><a href="/wiki/Special:MyLanguage/How_to_contribute"><span>Contribute</span></a></li> </ul> </div> </div> <div id="p-support" class="vector-menu mw-portlet mw-portlet-support" > <div class="vector-menu-heading"> Support </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Help:Contents" title="The place to find out"><span>User help</span></a></li><li id="n-mw-faq" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Manual:FAQ"><span>FAQ</span></a></li><li id="n-mw-manual" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Manual:Contents"><span>Technical manual</span></a></li><li id="n-mw-supportdesk" class="mw-list-item"><a href="/wiki/Project:Support_desk"><span>Support desk</span></a></li><li id="n-mw-communication" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Communication"><span>Communication</span></a></li> </ul> </div> </div> <div id="p-development" class="vector-menu mw-portlet mw-portlet-development" > <div class="vector-menu-heading"> Development </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mw-developerportal" class="mw-list-item"><a href="https://developer.wikimedia.org/"><span>Developer portal</span></a></li><li id="n-svn-statistics" class="mw-list-item"><a href="/wiki/Development_statistics"><span>Code statistics</span></a></li> </ul> </div> </div> <div id="p-mediawiki.org" class="vector-menu mw-portlet mw-portlet-mediawiki_org" > <div class="vector-menu-heading"> mediawiki.org </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-portal" class="mw-list-item"><a href="/wiki/Project:Help" title="About the project, what you can do, where to find things"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes in the wiki [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-mw-translate" class="mw-list-item"><a href="/wiki/Special:LanguageStats"><span>Translate content</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Load a random page [x]" accesskey="x"><span>Random page</span></a></li><li id="n-mw-discussion" class="mw-list-item"><a href="/wiki/Project:Village_Pump"><span>Village pump</span></a></li><li id="n-Sandboxlink-portlet-label" class="mw-list-item"><a href="/wiki/Project:Sandbox"><span>Sandbox</span></a></li> </ul> </div> </div> <div id="p-lang" class="vector-menu mw-portlet mw-portlet-lang" > <div class="vector-menu-heading"> In other languages </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-add wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q54812269#sitelinks-wikipedia" title="Add interlanguage links" class="wbc-editpage">Add links</a></span></div> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/MediaWiki" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/mediawikiwiki.svg" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="MediaWiki" src="/static/images/mobile/copyright/mediawikiwiki-wordmark.svg" style="width: 7.5em; height: 1.125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search MediaWiki [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search MediaWiki" aria-label="Search MediaWiki" autocapitalize="sentences" title="Search MediaWiki [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-uls" class="mw-list-item active user-links-collapsible-item"><a data-mw="interface" href="#" class="uls-trigger cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>English</span></a> </li> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/?utm_source=donate&utm_medium=sidebar&utm_campaign=spontaneous&uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&returnto=Extension%3AWikibaseQualityConstraints" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&returnto=Extension%3AWikibaseQualityConstraints" title="You are encouraged to log in; however, it is not mandatory [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="More options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?utm_source=donate&utm_medium=sidebar&utm_campaign=spontaneous&uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=Extension%3AWikibaseQualityConstraints" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&returnto=Extension%3AWikibaseQualityConstraints" title="You are encouraged to log in; however, it is not mandatory [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Beginning</div> </a> </li> <li id="toc-Installation" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Installation"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Installation</span> </div> </a> <ul id="toc-Installation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Configuration" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Configuration"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Configuration</span> </div> </a> <ul id="toc-Configuration-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Extension</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">WikibaseQualityConstraints</span></h1> <div class="mw-indicators"> <div id="mw-indicator-phabricator-project" class="mw-indicator"><div class="mw-parser-output"><div class="mw-parser-output"><style data-mw-deduplicate="TemplateStyles:r6605561">.mw-parser-output .tpl-badge{background-color:var(--background-color-progressive-subtle,#eaf3ff);color:var(--color-base,#202122);border-radius:10px;display:inline-block;font-size:90%;padding:5px 8px}</style><div class="tpl-badge"><a href="/wiki/Special:MyLanguage/Phabricator" title="Special:MyLanguage/Phabricator">Issue tracker</a>: <a href="https://phabricator.wikimedia.org/tag/wikibase-quality-constraints/" class="extiw" title="phab:tag/wikibase-quality-constraints/"><b>#wikibase-quality-constraints</b></a></div></div></div></div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-extension" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Extension:WikibaseQualityConstraints" title="View the subject page [c]" accesskey="c"><span>Extension</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Extension_talk:WikibaseQualityConstraints" rel="discussion" title="Discussion about the content page [t]" accesskey="t"><span>Discussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Extension:WikibaseQualityConstraints"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Extension:WikibaseQualityConstraints&action=edit" title="Edit the source code of this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Extension:WikibaseQualityConstraints&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Extension:WikibaseQualityConstraints"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Extension:WikibaseQualityConstraints&action=edit" title="Edit the source code of this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Extension:WikibaseQualityConstraints&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Extension:WikibaseQualityConstraints" title="A list of all wiki pages that link here [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Extension:WikibaseQualityConstraints" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Extension:WikibaseQualityConstraints&oldid=6214194" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Extension:WikibaseQualityConstraints&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=Extension%3AWikibaseQualityConstraints&id=6214194&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fwww.mediawiki.org%2Fwiki%2FExtension%3AWikibaseQualityConstraints"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fwww.mediawiki.org%2Fwiki%2FExtension%3AWikibaseQualityConstraints"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Book&bookcmd=book_creator&referer=Extension%3AWikibaseQualityConstraints"><span>Create a book</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Extension%3AWikibaseQualityConstraints&action=show-download-screen"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Extension:WikibaseQualityConstraints&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q54812269" title="Link to connected data repository item [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div id="siteSub" class="noprint">From mediawiki.org</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-pt-translate-header noprint nomobile" dir="ltr" lang="en"><a href="/w/index.php?title=Special:Translate&group=page-Extension%3AWikibaseQualityConstraints&action=page&filter=&action_source=translate_page" title="Special:Translate">Translate this page</a></div><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="mw-pt-languages noprint navigation-not-searchable" lang="en" dir="ltr"><div class="mw-pt-languages-label">Languages:</div><ul class="mw-pt-languages-list"><li><a href="/wiki/Extension:WikibaseQualityConstraints/de" class="mw-pt-progress mw-pt-progress--med" title="Erweiterung:WikibaseQualityConstraints (56% translated)" lang="de" dir="ltr">Deutsch</a></li> <li><span class="mw-pt-languages-ui mw-pt-languages-selected mw-pt-progress mw-pt-progress--complete" lang="en" dir="ltr">English</span></li> <li><a href="/wiki/Extension:WikibaseQualityConstraints/dtp" class="mw-pt-progress mw-pt-progress--med" title="Extension:WikibaseQualityConstraints/dtp (22% translated)" lang="dtp" dir="ltr">Kadazandusun</a></li> <li><a href="/wiki/Extension:WikibaseQualityConstraints/pl" class="mw-pt-progress mw-pt-progress--med" title="Extension:WikibaseQualityConstraints/pl (22% translated)" lang="pl" dir="ltr">polski</a></li> <li><a href="/wiki/Extension:WikibaseQualityConstraints/ja" class="mw-pt-progress mw-pt-progress--med" title="Extension:WikibaseQualityConstraints (44% translated)" lang="ja" dir="ltr">日本語</a></li></ul></div> <style data-mw-deduplicate="TemplateStyles:r6651102">.mw-parser-output .infobox{box-sizing:border-box;border:2px solid var(--border-color-base,#a2a9b1);width:280px;border-collapse:collapse;border-spacing:0;background-color:white;color:#333;clear:right;float:right;margin:0 0 0.5em 0.5em}.mw-parser-output .infobox-rtl{clear:left;float:left;margin:0 0.5em 0.5em 0}.mw-parser-output .infobox th{text-align:left;padding:0.2em 0.5em;vertical-align:top}.mw-parser-output .infobox-rtl th{text-align:right}@media(max-width:719px){body.mediawiki .mw-parser-output .infobox{float:none;clear:both;width:100%;margin:0 0 .5em 0}}.mw-parser-output .infobox td{border:none;padding:0.2em 0.5em;vertical-align:top}.mw-parser-output .infobox-header{background-color:#a2a9b1;color:#FFF;text-align:left}.mw-parser-output .infobox-header a{color:#FFF}.mw-parser-output .infobox-header td,.mw-parser-output .infobox-header th{padding:0.5em 0.5em}.mw-parser-output .infobox-header img{padding:0 0.2em 0 0.5em}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox{background-color:inherit;color:inherit}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox{background-color:inherit;color:inherit}}</style><style data-mw-deduplicate="TemplateStyles:r5577029">.mw-parser-output .ext-infobox>tbody>tr>td:first-child{vertical-align:top}.mw-parser-output .ext-infobox>tbody>tr>td abbr{white-space:nowrap}.mw-parser-output .ext-infobox .mw-collapsible-header,.mw-parser-output .ext-infobox .mw-collapsible-toggle{font-weight:bold}.mw-parser-output .ext-infobox .mw-collapsible-content{margin-top:.2em;padding-top:.2em}.mw-parser-output .ext-infobox-header>th,.mw-parser-output .ext-infobox caption,.mw-parser-output .ext-infobox-image,.mw-parser-output .ext-infobox-translate{text-align:center}.mw-parser-output .ext-infobox-name{font-size:130%;line-height:100%}.mw-parser-output .ext-infobox-type{min-width:7em}</style><style data-mw-deduplicate="TemplateStyles:r6424453">.mw-parser-output .ext-status-unstable,.mw-parser-output .ext-status-unstable td{border-color:#d33}.mw-parser-output .ext-status-unstable .ext-infobox-header{background-color:#d33;color:#fff}.mw-parser-output .ext-status-unstable .ext-infobox-header a{color:#fff}.mw-parser-output .ext-status-experimental,.mw-parser-output .ext-status-experimental td{border-color:#ff4500}.mw-parser-output .ext-status-experimental .ext-infobox-header{background-color:#ff4500;color:#FFF}.mw-parser-output .ext-status-experimental .ext-infobox-header a{color:#FFF}.mw-parser-output .ext-status-beta,.mw-parser-output .ext-status-beta td{border-color:#fc3}.mw-parser-output .ext-status-beta .ext-infobox-header{color:#000;background-color:#fc3}.mw-parser-output .ext-status-beta .ext-infobox-header a{color:#000}.mw-parser-output .ext-status-stable,.mw-parser-output .ext-status-stable td{border-color:#00af89}.mw-parser-output .ext-status-stable .ext-infobox-header{background-color:#068468;color:#FFF}.mw-parser-output .ext-status-stable .ext-infobox-header a{color:#fff}.mw-parser-output .ext-status-unmaintained,.mw-parser-output .ext-status-unmaintained td{border-color:#ac6600}.mw-parser-output .ext-status-unmaintained .ext-infobox-header{background-color:#ac6600;color:#FFF}.mw-parser-output .ext-status-unmaintained .ext-infobox-header a{color:#fff}</style> <table class="infobox infobox-ltr ext-infobox ext-status-stable"> <caption><b><a href="/wiki/Special:MyLanguage/Manual:Extensions" title="Special:MyLanguage/Manual:Extensions">MediaWiki extensions manual</a><span style="display:none"><a href="/wiki/Manual:Extensions" title="Manual:Extensions"> </a></span></b></caption> <tbody><tr class="infobox-header ext-infobox-header notheme"> <th colspan="2"><figure class="mw-halign-left" typeof="mw:File"><a href="/wiki/Special:MyLanguage/Template:Extension#Content" title="Special:MyLanguage/Template:Extension"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/OOjs_UI_icon_advanced-invert.svg/40px-OOjs_UI_icon_advanced-invert.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/OOjs_UI_icon_advanced-invert.svg/60px-OOjs_UI_icon_advanced-invert.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1b/OOjs_UI_icon_advanced-invert.svg/80px-OOjs_UI_icon_advanced-invert.svg.png 2x" data-file-width="20" data-file-height="20" /></a><figcaption></figcaption></figure> <span class="ext-infobox-name">WikibaseQualityConstraints</span><br /> <a href="/wiki/Special:MyLanguage/Extension_status" title="Special:MyLanguage/Extension status">Release status:</a><span style="display:none"><a href="/wiki/Extension_status" title="Extension status"> </a></span> stable</th> </tr> <tr> <td class="ext-infobox-type"><b><a href="/wiki/Special:MyLanguage/Template:Extension#type" title="Special:MyLanguage/Template:Extension">Implementation</a><span style="display:none"><a href="/wiki/Template:Extension#type" title="Template:Extension"> </a></span></b></td> <td>User interface </td></tr><tr> <td><b><a href="/wiki/Special:MyLanguage/Template:Extension#description" title="Special:MyLanguage/Template:Extension">Description</a><span style="display:none"><a href="/wiki/Template:Extension#description" title="Template:Extension"> </a></span></b></td> <td>Allows defining constraints on Wikibase properties and checks that the constraints are met when the properties are used in statements on entities</td> </tr> <tr> <td><b><a href="/wiki/Special:MyLanguage/Template:Extension#username" title="Special:MyLanguage/Template:Extension">Author(s)</a><span style="display:none"><a href="/wiki/Template:Extension#username" title="Template:Extension"> </a></span></b></td> <td>Students at Hasso-Plattner-Institute and WMDE</td> </tr> <tr> <td><b><a href="/wiki/Special:MyLanguage/Template:Extension#version" title="Special:MyLanguage/Template:Extension">Latest version</a><span style="display:none"><a href="/wiki/Template:Extension#version" title="Template:Extension"> </a></span></b></td> <td>continuous updates</td> </tr> <tr> <td><b><a href="/wiki/Special:MyLanguage/Compatibility#mediawiki_extensions" title="Special:MyLanguage/Compatibility">Compatibility policy</a><span style="display:none"><a href="/wiki/Compatibility#mediawiki_extensions" title="Compatibility"> </a></span></b></td> <td>Snapshots releases along with MediaWiki. Master is not backward compatible.</td> </tr> <tr> <td><a href="/wiki/Special:MyLanguage/Template:Extension#mediawiki" title="Special:MyLanguage/Template:Extension"><b>MediaWiki</b></a><span style="display:none"><a href="/wiki/Template:Extension#mediawiki" title="Template:Extension"> </a></span></td> <td>1.26+ </td> </tr> <tr> <td><a href="/wiki/Special:MyLanguage/Template:Extension#needs-updatephp" title="Special:MyLanguage/Template:Extension"><abbr title="'php update.php' needed after installation"><b>Database changes</b></abbr></a><span style="display:none"><a href="/wiki/Template:Extension#needs-updatephp" title="Template:Extension"> </a></span></td> <td>Yes</td> </tr> <tr> <td><a href="/wiki/Special:MyLanguage/Composer" title="Special:MyLanguage/Composer"><abbr title="Supports 'Composer' for installation"><b>Composer</b></abbr></a><span style="display:none"><a href="/wiki/Composer" title="Composer"> </a></span></td> <td><a rel="nofollow" class="external text" href="https://packagist.org/packages/wikibase/constraints">wikibase/constraints</a></td> </tr> <tr> <td><b><a href="/wiki/Special:MyLanguage/Template:Extension#table1" title="Special:MyLanguage/Template:Extension">Tables</a><span style="display:none"><a href="/wiki/Template:Extension#table1" title="Template:Extension"> </a></span></b></td> <td><a href="/wiki/Special:MyLanguage/Extension:WikibaseQualityConstraints/wbqc_constraints_table" title="Special:MyLanguage/Extension:WikibaseQualityConstraints/wbqc constraints table">wbqc_constraints</a><span style="display:none"><a href="/wiki/Extension:WikibaseQualityConstraints/wbqc_constraints_table" title="Extension:WikibaseQualityConstraints/wbqc constraints table"> </a></span></td> </tr> <tr> <td><b><a href="/wiki/Special:MyLanguage/Template:Extension#license" title="Special:MyLanguage/Template:Extension">License</a><span style="display:none"><a href="/wiki/Template:Extension#license" title="Template:Extension"> </a></span></b></td> <td><a rel="nofollow" class="external text" href="//www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html">GNU General Public License 2.0 or later</a></td> </tr><tr> <td><b>Download</b></td> <td><div class="plainlinks"><a href="/wiki/Special:ExtensionDistributor/WikibaseQualityConstraints" title="Special:ExtensionDistributor/WikibaseQualityConstraints"><b>Download extension</b></a> <br />Git <sup>[<a href="/wiki/Special:MyLanguage/Download_from_Git" title="Special:MyLanguage/Download from Git">?</a>]</sup>: <ul><li><span class="plainlinks"><a rel="nofollow" class="external text" href="https://github.com/wikimedia/mediawiki-extensions-WikibaseQualityConstraints/archive/master.tar.gz">Download Git master</a></span></li> <li><a href="https://gerrit.wikimedia.org/g/mediawiki/extensions/WikibaseQualityConstraints" class="extiw" title="git:mediawiki/extensions/WikibaseQualityConstraints">browse repository</a> (<a rel="nofollow" class="external text" href="https://github.com/wikimedia/mediawiki-extensions-WikibaseQualityConstraints">GitHub</a>)</li> <li><a href="https://gerrit.wikimedia.org/g/mediawiki/extensions/WikibaseQualityConstraints/%2Blog/master" class="extiw" title="git:mediawiki/extensions/WikibaseQualityConstraints/+log/master">commit history</a></li> <li><a rel="nofollow" class="external text" href="https://github.com/wikimedia/mediawiki-extensions-WikibaseQualityConstraints/graphs/contributors">repository contributors (GitHub)</a></li> <li><a href="https://gerrit.wikimedia.org/r/q/project:mediawiki/extensions/WikibaseQualityConstraints" class="extiw" title="gerrit:q/project:mediawiki/extensions/WikibaseQualityConstraints">code review</a></li></ul></div></td> </tr> <tr> <td class="mw-collapsible mw-collapsed" colspan="2"> <div class="mw-collapsible-header"><a href="/wiki/Special:MyLanguage/Template:Extension#parameters" title="Special:MyLanguage/Template:Extension">Parameters</a><span style="display:none"><a href="/wiki/Template:Extension#parameters" title="Template:Extension"> </a></span></div> <div class="mw-collapsible-content"> <ul><li><span class="configvariable" title="The property ID of the 'maximum quantity' property (data type: quantity), which specifies the maximum quantity parameter of a 'range' or 'diff within range' constraint.">$wgWBQualityConstraintsMaximumQuantityId</span></li> <li><span class="configvariable" title="The property ID of the 'instance of' property (data type: item), which specifies the class(es) of an item.">$wgWBQualityConstraintsInstanceOfId</span></li> <li><span class="configvariable" title="The property ID of the 'minimum date' property (data type: point in time), which specifies the minimum date parameter of a 'range' or 'diff within range' constraint.">$wgWBQualityConstraintsMinimumDateId</span></li> <li><span class="configvariable" title="The item ID for the 'allowed units constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the value of a given statement should only have certain units.">$wgWBQualityConstraintsAllowedUnitsConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'format constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the value of a given statement should conform to a given pattern.">$wgWBQualityConstraintsFormatConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'mandatory constraint' item, which, when used in a 'constraint status' qualifier of a 'property constraint' statement on a property, indicates that the constraint is mandatory and should have no violations except for the known exceptions.">$wgWBQualityConstraintsMandatoryConstraintId</span></li> <li><span class="configvariable" title="The time-to-live, in seconds, of cached results of the wbcheckconstraints API action. Ignored if WBQualityConstraintsCacheCheckConstraintsResults is not true.">$wgWBQualityConstraintsCacheCheckConstraintsTTLSeconds</span></li> <li><span class="configvariable" title="The maximum number of entities that are accessed when checking type or subtype relations.">$wgWBQualityConstraintsTypeCheckMaxEntities</span></li> <li><span class="configvariable" title="The item ID of the 'subclass of' item, which, when used in a 'relation' qualifier of a 'property constraint' statement on a property, indicates that the 'type' or 'value type' constraint defined in this statement demands a 'subclass' relation.">$wgWBQualityConstraintsSubclassOfRelationId</span></li> <li><span class="configvariable" title="The maximum time that a full constraint check on an entity should ever take, in seconds. Any entity constraint check that takes longer than this time is logged at ‘warning’ level. Specifying `null` disables this logging.">$wgWBQualityConstraintsCheckOnEntityDurationWarningSeconds</span></li> <li><span class="configvariable" title="The default duration in seconds, which prevents requests to the SPARQL endpoint, if the endpoint response with a 'try-later' (Responsecode 429). This field will only be used, if the endpoint sends a incorrect or incomplete response. The value must be a integer, which is greater than zero.">$wgWBQualityConstraintsSparqlThrottlingFallbackDuration</span></li> <li><span class="configvariable" title="Whether to enable the 'constraint suggestion' constraint status or not. This is a temporary configuration that will be removed once constraint suggestions are permanently enabled on Wikidata.">$wgWBQualityConstraintsEnableSuggestionConstraintStatus</span></li> <li><span class="configvariable" title="The item ID of the 'one-of constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the value of a given statement should be one of a given set of values.">$wgWBQualityConstraintsOneOfConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'label in language constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the property should only be used in entities that have label in the given languages.">$wgWBQualityConstraintsLabelInLanguageConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'inverse constraint' item, which, when used in a 'property constraint' statement on a property, indicates that a referenced entity should refer back to the original entity with the property given in the parameters.">$wgWBQualityConstraintsInverseConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'value requires claim constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the target/value entity of a given statement should have certain statements.">$wgWBQualityConstraintsValueRequiresClaimConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'suggestion constraint' item, which, when used in a 'constraint status' qualifier of a 'property constraint' statement on a property, indicates that the constraint is merely a suggestion for improvement and violations need not be taken very seriously.">$wgWBQualityConstraintsSuggestionConstraintId</span></li> <li><span class="configvariable" title="Whether or not to check the 'format' constraint. If this flag is set to false, any check of the 'format' constraint will return a 'todo' status with the 'wbqc-violation-message-security-reason' message.">$wgWBQualityConstraintsCheckFormatConstraint</span></li> <li><span class="configvariable" title="The item ID of the 'type constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the subject entity should have a certain type, with the relation and type given in the parameters.">$wgWBQualityConstraintsTypeConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'wikibase MediaInfo' item, which represents the 'mediainfo' entity type for 'allowed entity types' constraints.">$wgWBQualityConstraintsWikibaseMediaInfoId</span></li> <li><span class="configvariable" title="The maximum time that a single constraint check should ever take, in seconds. Any constraint check that takes longer than this time is logged at ‘warning’ level. Specifying `null` disables this logging.">$wgWBQualityConstraintsCheckDurationWarningSeconds</span></li> <li><span class="configvariable" title="Whether or not show the constraint violation indicator to users that are not logged in.">$wgWBQualityConstraintsShowConstraintViolationToNonLoggedInUsers</span></li> <li><span class="configvariable" title="The item ID of the 'used as qualifier constraint' item, which, when used in a 'property constraint' statement on a property, indicates that a property should only be used as a qualifier.">$wgWBQualityConstraintsUsedAsQualifierConstraintId</span></li> <li><span class="configvariable" title="The item ID for the 'single best value constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the property should have a single, distinguished best value per item.">$wgWBQualityConstraintsSingleBestValueConstraintId</span></li> <li><span class="configvariable" title="The property ID of the 'exception to constraint' property (data type: item), which specifies the exceptions of a constraint.">$wgWBQualityConstraintsExceptionToConstraintId</span></li> <li><span class="configvariable" title="Whether to check constraints on references.">$wgWBQualityConstraintsCheckReferences</span></li> <li><span class="configvariable" title="The item ID of the 'multi-value constraint' item, which, when used in a 'property constraint' statement on a property, indicates that a property should have more than one value per entity.">$wgWBQualityConstraintsMultiValueConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'instance of' item, which, when used in a 'relation' qualifier of a 'property constraint' statement on a property, indicates that the 'type' or 'value type' constraint defined in this statement demands an 'instance' relation.">$wgWBQualityConstraintsInstanceOfRelationId</span></li> <li><span class="configvariable" title="Percentage (0%-100%) of edits that trigger a constraint check">$wgWBQualityConstraintsEnableConstraintsCheckJobsRatio</span></li> <li><span class="configvariable" title="The item ID of the 'lexeme language constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the property should only be used in lexeme that have the given language set.">$wgWBQualityConstraintsLexemeLanguageConstraintId</span></li> <li><span class="configvariable" title="Whether to a caching service while running constraint checks. Results are only cached for constraint checks on full entities, and only when the set of constraints to be checked is not specified (i. e. the constraintid parameter is unset).">$wgWBQualityConstraintsCacheCheckConstraintsResults</span></li> <li><span class="configvariable" title="The item ID of the 'integer constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the value of a given statement should have only integer values.">$wgWBQualityConstraintsIntegerConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'difference within range constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the difference value of a given statement and of another given statement should be within a given range.">$wgWBQualityConstraintsDifferenceWithinRangeConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'instance or subclass of' item, which, when used in a 'relation' qualifier of a 'property constraint' statement on a property, indicates that the 'type' or 'value type' constraint defined in this statement demands a 'instance or subclass' relation.">$wgWBQualityConstraintsInstanceOrSubclassOfRelationId</span></li> <li><span class="configvariable" title="The item ID of the 'constraint checked on qualifiers' item, which, when used in a 'constraint scope' qualifier of a 'property constraint' statement on a property, indicates that the constraint should be checked on the qualifier snaks of a statement.">$wgWBQualityConstraintsConstraintCheckedOnQualifiersId</span></li> <li><span class="configvariable" title="The item ID of the 'used as reference constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the property should only be used for references, not for the main value of a statement or for qualifiers.">$wgWBQualityConstraintsUsedAsReferenceConstraintId</span></li> <li><span class="configvariable" title="Size of the per-regex cache map for format/regex check results. For each regex, up to this many values will have cached whether they match the regex or not, on a least-recently-used basis.">$wgWBQualityConstraintsFormatCacheMapSize</span></li> <li><span class="configvariable" title="The item ID of the 'symmetric constraint' item, which, when used in a 'property constraint' statement on a property, indicates that a referenced entity should refer back to the original entity.">$wgWBQualityConstraintsSymmetricConstraintId</span></li> <li><span class="configvariable" title="The property ID of the 'property scope' property, which specifies the scope parameter of a 'scope' constraint.">$wgWBQualityConstraintsPropertyScopeId</span></li> <li><span class="configvariable" title="The unit used for a quantity that represents a difference between two dates, in years. Note that for entity units, the full concept URI must be used, not just the entity ID.">$wgWBQualityConstraintsYearUnit</span></li> <li><span class="configvariable" title="The item ID of the 'as references' item, which, when used in a 'property scope' parameter of a 'scope' constraint, signifies that a property may be used for references of statements.">$wgWBQualityConstraintsAsReferencesId</span></li> <li><span class="configvariable" title="The item ID of the 'wikibase property' item, which represents the 'property' entity type for 'allowed entity types' constraints.">$wgWBQualityConstraintsWikibasePropertyId</span></li> <li><span class="configvariable" title="The item ID of the 'contemporary constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the entities which are linked through this property should be contemporary according to their start and end time values.">$wgWBQualityConstraintsContemporaryConstraintId</span></li> <li><span class="configvariable" title="The maximum runtime for queries on the configured SPARQL endpoint, in milliseconds.">$wgWBQualityConstraintsSparqlMaxMillis</span></li> <li><span class="configvariable" title="The property ID of the 'property constraint' property (data type: item), which specifies the various constraints of a property.">$wgWBQualityConstraintsPropertyConstraintId</span></li> <li><span class="configvariable" title="Float value between 0 and 1 determining ratio of requests made to shellbox (vs. WDQS) in FormatChecker in evaluating regexes. Zero disables requesting to shellbox (all going to WDQS) and one means all requests will go to shellbox.">$wgWBQualityConstraintsFormatCheckerShellboxRatio</span></li> <li><span class="configvariable" title="Whether to check constraints on qualifiers.">$wgWBQualityConstraintsCheckQualifiers</span></li> <li><span class="configvariable" title="The item ID of the 'value type constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the referenced entity should have a certain type, with the class and relation given in the parameters.">$wgWBQualityConstraintsValueTypeConstraintId</span></li> <li><span class="configvariable" title="The property ID of the 'constraint status' property (data type: item), which specifies the constraint status of a constraint statement. Currently, only one constraint status is known (see WBQualityConstraintsMandatoryConstraintId), and the default status is signified by the absence of a 'constraint status' qualifier.">$wgWBQualityConstraintsConstraintStatusId</span></li> <li><span class="configvariable" title="The item ID of the 'constraint checked on main value' item, which, when used in a 'constraint scope' qualifier of a 'property constraint' statement on a property, indicates that the constraint should be checked on the main snak of a statement.">$wgWBQualityConstraintsConstraintCheckedOnMainValueId</span></li> <li><span class="configvariable" title="The URLs of SPARQL endpoints to query in addition to the primary one. Should accept the URL parameters 'query', 'format' and 'maxQueryTimeMillis'. Set to [] (empty array, default) to only use the primary endpoint.">$wgWBQualityConstraintsAdditionalSparqlEndpoints</span></li> <li><span class="configvariable" title="The property ID of the 'separator' property (data type: property), which specifies the allowed separator(s) for “single value” and “single best value” constraints.">$wgWBQualityConstraintsSeparatorId</span></li> <li><span class="configvariable" title="The unit used for a quantity that represents a difference between two dates, in seconds. Note that for entity units, the full concept URI must be used, not just the entity ID.">$wgWBQualityConstraintsSecondUnit</span></li> <li><span class="configvariable" title="The property ID of the 'class' property (data type: item), which specifies the class/type of a 'type' or 'value type' constraint.">$wgWBQualityConstraintsClassId</span></li> <li><span class="configvariable" title="The property ID of the 'maximum date' property (data type: point in time), which specifies the maximum date parameter of a 'range' or 'diff within range' constraint.">$wgWBQualityConstraintsMaximumDateId</span></li> <li><span class="configvariable" title="Property IDs of statements whose minimum value defines the start time of an entity, which is used by 'contemporary' contraints.">$wgWBQualityConstraintsStartTimePropertyIds</span></li> <li><span class="configvariable" title="Property IDs of statements whose qualifiers are expected to violate constraints, and where constraints checks are therefore skipped, as if the subject entity was an exception to the constraints defined on the qualifier properties.">$wgWBQualityConstraintsPropertiesWithViolatingQualifiers</span></li> <li><span class="configvariable" title="The maximum number of revision IDs to load when checking whether a cached wbcheckconstraints result is still fresh. Results that depend on more entity IDs than this limit are not cached.">$wgWBQualityConstraintsCacheCheckConstraintsMaximumRevisionIds</span></li> <li><span class="configvariable" title="The item ID of the 'as qualifiers' item, which, when used in a 'property scope' parameter of a 'scope' constraint, signifies that a property may be used for qualifiers of statements.">$wgWBQualityConstraintsAsQualifiersId</span></li> <li><span class="configvariable" title="The item ID of the 'as main value' item, which, when used in a 'property scope' parameter of a 'scope' constraint, signifies that a property may be used for the main snaks of statements.">$wgWBQualityConstraintsAsMainValueId</span></li> <li><span class="configvariable" title="The item ID of the 'property scope constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the property should only be used in some locations (main value, qualifiers, and/or references, but not all of them).">$wgWBQualityConstraintsPropertyScopeConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'wikibase sense' item, which represents the 'sense' entity type for 'allowed entity types' constraints.">$wgWBQualityConstraintsWikibaseSenseId</span></li> <li><span class="configvariable" title="The property ID of the 'minimum quantity' property (data type: quantity), which specifies the minimum quantity parameter of a 'range' or 'diff within range' constraint.">$wgWBQualityConstraintsMinimumQuantityId</span></li> <li><span class="configvariable" title="The item ID of the 'item requires claim constraint' item, which, when used in a 'property constraint' statement on a property, indicates that an entity with a given statement should also have certain other statements.">$wgWBQualityConstraintsItemRequiresClaimConstraintId</span></li> <li><span class="configvariable" title="The property ID of the property (data type: item) which specifies the entity types on which a constraint is checked. By default, this is the same as the 'constraint scope' property, but may also be set to a different one. The recognized values (items representing entity types) are the same as for the 'allowed entity types' constraint.">$wgWBQualityConstraintsConstraintEntityTypesId</span></li> <li><span class="configvariable" title="The item ID for the 'allowed entity types constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the property can be used only in certain entity types (e.g. only items).">$wgWBQualityConstraintsAllowedEntityTypesConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'wikibase lexeme' item, which represents the 'lexeme' entity type for 'allowed entity types' constraints.">$wgWBQualityConstraintsWikibaseLexemeId</span></li> <li><span class="configvariable" title="The item ID of the 'wikibase item' item, which represents the 'item' entity type for 'allowed entity types' constraints.">$wgWBQualityConstraintsWikibaseItemId</span></li> <li><span class="configvariable" title="The item ID of the 'none-of constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the value of a given statement should not be one of a given set of values.">$wgWBQualityConstraintsNoneOfConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'distinct values constraint' item, which, when used in a 'property constraint' statement on a property, indicates that all values for this property should differ from each other, or, equivalently, that each value for this property should be unique to one item.">$wgWBQualityConstraintsDistinctValuesConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'wikibase form' item, which represents the 'form' entity type for 'allowed entity types' constraints.">$wgWBQualityConstraintsWikibaseFormId</span></li> <li><span class="configvariable" title="The property ID of the 'constraint scope' property (data type: item), which specifies the context(s) in which a constraint is checked.">$wgWBQualityConstraintsConstraintScopeId</span></li> <li><span class="configvariable" title="The property ID of the 'constraint clarification' property (data type: monolingual text), which specifies human-readable explanations of a constraint (of any constraint type). The constraint clarification is shown below the main constraint violation message.">$wgWBQualityConstraintsConstraintClarificationId</span></li> <li><span class="configvariable" title="The property ID of the 'syntax clarification' property (data type: monolingual text), which specifies human-readable explanations of a 'format' constraint. The syntax clarification is shown as part of the 'format' constraint violation message, clarifying the regular expression.">$wgWBQualityConstraintsSyntaxClarificationId</span></li> <li><span class="configvariable" title="The property ID of the 'format as a regular expression' property (data type: string), which specifies the format parameter of a 'format' constraint.">$wgWBQualityConstraintsFormatAsARegularExpressionId</span></li> <li><span class="configvariable" title="The property ID of the 'namespace' property (data type: string), which specifies the namespace parameter of a 'commons link' constraint.">$wgWBQualityConstraintsNamespaceId</span></li> <li><span class="configvariable" title="The item ID of the 'mandatory qualifier' item, which, when used in a 'property constraint' statement on a property, indicates a given statement should have the given qualifier.">$wgWBQualityConstraintsMandatoryQualifierConstraintId</span></li> <li><span class="configvariable" title="Property IDs of statements whose maximum value defines the end time of an entity, which is used by 'contemporary' contraints.">$wgWBQualityConstraintsEndTimePropertyIds</span></li> <li><span class="configvariable" title="The property ID of the 'qualifier of property constraint' property (data type: item), which specifies the item parameter of an 'item requires claim', 'value requires claim', or 'one of' constraint.">$wgWBQualityConstraintsQualifierOfPropertyConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'range constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the value of a given statement should be within a given range.">$wgWBQualityConstraintsRangeConstraintId</span></li> <li><span class="configvariable" title="Whether to automatically run constraint checks in jobs.">$wgWBQualityConstraintsEnableConstraintsCheckJobs</span></li> <li><span class="configvariable" title="The property ID of the 'relation' property (data type: item), which specifies the relation ('instance of' or 'subclass of') of a 'type' or 'value type' constraint.">$wgWBQualityConstraintsRelationId</span></li> <li><span class="configvariable" title="The item ID of the 'commons link constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the value of a given statement should be a valid link to Wikimedia Commons.">$wgWBQualityConstraintsCommonsLinkConstraintId</span></li> <li><span class="configvariable" title="Strings that, when they occur inside an error response of the SPARQL endpoint, indicate that the error is a query timeout. On the Wikidata Query Service, these are fully qualified names of exception classes.">$wgWBQualityConstraintsSparqlTimeoutExceptionClasses</span></li> <li><span class="configvariable" title="The item ID of the 'no bounds constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the property should only be used with no bounded quantity as its value.">$wgWBQualityConstraintsNoBoundsConstraintId</span></li> <li><span class="configvariable" title="The URL of the primary SPARQL endpoint. Should accept the URL parameters 'query', 'format' and 'maxQueryTimeMillis'. Set to '' (empty string, default) to disable SPARQL functionality.">$wgWBQualityConstraintsSparqlEndpoint</span></li> <li><span class="configvariable" title="The maximum time that a single constraint check should usually take, in seconds. Any constraint check that takes longer than this time is logged at ‘info’ level. Specifying `null` disables this logging.">$wgWBQualityConstraintsCheckDurationInfoSeconds</span></li> <li><span class="configvariable" title="The item ID of the 'used for values only constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the property should only be used for the main value of a statement, not for qualifiers or references.">$wgWBQualityConstraintsUsedForValuesOnlyConstraintId</span></li> <li><span class="configvariable" title="The property ID of the 'Wikimedia language code' property (data type: string), which specifies the language code of a 'label in language' constraint.">$wgWBQualityConstraintsLanguagePropertyId</span></li> <li><span class="configvariable" title="The item ID of the 'allowed qualifiers constraint' item, which, when used in a 'property constraint' statement on a property, indicates a given statement should only have the given qualifiers.">$wgWBQualityConstraintsAllowedQualifiersConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'conflicts-with constraint' item, which, when used in a 'property constraint' statement on a property, indicates that an entity with a given statement should not have certain other statements.">$wgWBQualityConstraintsConflictsWithConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'single value constraint' item, which, when used in a 'property constraint' statement on a property, indicates that a property should have no more than one value per entity.">$wgWBQualityConstraintsSingleValueConstraintId</span></li> <li><span class="configvariable" title="The item ID of the 'constraint checked on references' item, which, when used in a 'constraint scope' qualifier of a 'property constraint' statement on a property, indicates that the constraint should be checked on the reference snaks of a statement.">$wgWBQualityConstraintsConstraintCheckedOnReferencesId</span></li> <li><span class="configvariable" title="Whether the SPARQL endpoint has special Wikibase support, i. e. whether it is an installation of the Wikibase RDF Query server. If this is enabled, prefixes are not included in SPARQL queries, since the server already defines them by default (which reduces network traffic), and some queries include BlazeGraph-specific query hints. Otherwise, the queries should be suitable for any SPARQL server.">$wgWBQualityConstraintsSparqlHasWikibaseSupport</span></li> <li><span class="configvariable" title="Whether to import property constraint statements into the constraint database or not.">$wgWBQualityConstraintsEnableConstraintsImportFromStatements</span></li> <li><span class="configvariable" title="The property ID of the 'subclass of' property (data type: item), which specifies the superclass(es) of an item.">$wgWBQualityConstraintsSubclassOfId</span></li> <li><span class="configvariable" title="The item ID of the 'citation needed constraint' item, which, when used in a 'property constraint' statement on a property, indicates that the value of a given statement should have at least one reference for its values.">$wgWBQualityConstraintsCitationNeededConstraintId</span></li> <li><span class="configvariable" title="The maximum time that a full constraint check on an entity should usually take, in seconds. Any entity constraint check that takes longer than this time is logged at ‘info’ level. Specifying `null` disables this logging.">$wgWBQualityConstraintsCheckOnEntityDurationInfoSeconds</span></li> <li><span class="configvariable" title="The property ID of the 'property' property (data type: property), which specifies the property parameter of an 'inverse', 'item requires claim', 'value requires claim', 'difference within range', 'mandatory qualifiers', or 'qualifiers' constraint.">$wgWBQualityConstraintsPropertyId</span></li></ul></div></td> </tr> <tr> <td class="mw-collapsible mw-collapsed" colspan="2"> <div class="mw-collapsible-header"><a href="/wiki/Special:MyLanguage/Template:Extension#hook" title="Special:MyLanguage/Template:Extension">Hooks used</a><span style="display:none"><a href="/wiki/Template:Extension#hook" title="Template:Extension"> </a></span></div> <style data-mw-deduplicate="TemplateStyles:r6219282">.mw-parser-output .plainlist ul{line-height:inherit;list-style:none none;margin:0}.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist mw-collapsible-content"><ul><li><a href="/wiki/Special:MyLanguage/Manual:Hooks/ArticlePurge" title="Special:MyLanguage/Manual:Hooks/ArticlePurge">ArticlePurge</a><span style="display:none"><a href="/wiki/Manual:Hooks/ArticlePurge" title="Manual:Hooks/ArticlePurge"> </a></span></li><li><a href="/wiki/Special:MyLanguage/Manual:Hooks/BeforePageDisplay" title="Special:MyLanguage/Manual:Hooks/BeforePageDisplay">BeforePageDisplay</a><span style="display:none"><a href="/wiki/Manual:Hooks/BeforePageDisplay" title="Manual:Hooks/BeforePageDisplay"> </a></span></li><li><a href="/wiki/Special:MyLanguage/Manual:Hooks/LoadExtensionSchemaUpdates" title="Special:MyLanguage/Manual:Hooks/LoadExtensionSchemaUpdates">LoadExtensionSchemaUpdates</a><span style="display:none"><a href="/wiki/Manual:Hooks/LoadExtensionSchemaUpdates" title="Manual:Hooks/LoadExtensionSchemaUpdates"> </a></span></li><li><a href="/wiki/Special:MyLanguage/Manual:Hooks/WikibaseChangeNotification" title="Special:MyLanguage/Manual:Hooks/WikibaseChangeNotification">WikibaseChangeNotification</a><span style="display:none"><a href="/wiki/Manual:Hooks/WikibaseChangeNotification" class="mw-redirect" title="Manual:Hooks/WikibaseChangeNotification"> </a></span></li></ul></div> </td> </tr> <tr> <td title="This only includes downloads from Special:ExtensionDistributor. Other download methods such as git or bundled extensions are not included."><b>Quarterly downloads</b></td> <td>9 (Ranked 125<sup>th</sup>)</td> </tr> <tr> <td colspan="2" class="ext-infobox-translate"> <a href="https://translatewiki.net/wiki/Special:Translate/ext-wikibasequalityconstraints" class="extiw" title="translatewiki:Special:Translate/ext-wikibasequalityconstraints">Translate the WikibaseQualityConstraints extension</a> if it is available at translatewiki.net</td> </tr><tr class="mw-empty-elt"> </tr> <tr> <td> <b><a href="/wiki/Special:MyLanguage/Phabricator" title="Special:MyLanguage/Phabricator">Issues</a><span style="display:none"><a href="/wiki/Phabricator" title="Phabricator"> </a></span></b></td> <td><a href="https://phabricator.wikimedia.org/tag/wikibase-quality-constraints" class="extiw" title="phab:tag/wikibase-quality-constraints">Open tasks</a> · <a class="external text" href="https://phabricator.wikimedia.org/maniphest/task/create/?projects=wikibase-quality-constraints">Report a bug</a></td> </tr> </tbody></table> <p>The <b>WikibaseQualityConstraints</b> extension allows defining constraints on Wikibase Properties and checks that the constraints are met when the Properties are used in Statements on Entities. The checks are strictly informational: the extension does not ensure that the constraints are met, it merely informs editors when they are being violated. For more information, see the <a href="https://www.wikidata.org/wiki/Special:MyLanguage/Help:Property_constraints_portal" class="extiw" title="d:Special:MyLanguage/Help:Property constraints portal">Property constraints portal</a> on Wikidata. </p> <div class="mw-heading mw-heading2"><h2 id="Installation">Installation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Extension:WikibaseQualityConstraints&action=edit&section=1" title="Edit section: Installation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Special:ExtensionDistributor/WikibaseQualityConstraints" title="Special:ExtensionDistributor/WikibaseQualityConstraints">Download</a> and move the extracted <code>WikibaseQualityConstraints</code> folder to your <code>extensions/</code> directory.<br />Developers and code contributors should install the extension <a href="/wiki/Special:MyLanguage/Download_from_Git" title="Special:MyLanguage/Download from Git">from Git</a> instead, using:<code class="mw-code mw-highlight" style="display:block">cd extensions/<br />git clone https://gerrit.wikimedia.org/r/mediawiki/extensions/WikibaseQualityConstraints</code></li> <li>Only when installing from Git, run <a href="/wiki/Special:MyLanguage/Composer" title="Special:MyLanguage/Composer">Composer</a> to install PHP dependencies, by issuing <code>composer install --no-dev</code> in the extension directory. <small>(See <a href="https://phabricator.wikimedia.org/T173141" class="extiw" title="phabricator:T173141">task T173141</a> for potential complications.)</small></li> <li>Add the following code at the bottom of your <a href="/wiki/Special:MyLanguage/Manual:LocalSettings.php" title="Special:MyLanguage/Manual:LocalSettings.php">LocalSettings.php</a><span style="display:none"><a href="/wiki/Manual:LocalSettings.php" title="Manual:LocalSettings.php"> </a></span> file: <div class="mw-highlight mw-highlight-lang-php mw-content-ltr" dir="ltr"><pre><span></span><span class="nx">wfLoadExtension</span><span class="p">(</span> <span class="s1">'WikibaseQualityConstraints'</span> <span class="p">);</span> </pre></div></li> <li><a href="#Configuration">Configure as required.</a></li> <li><span typeof="mw:File"><span><img alt="Yes" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/15px-OOjs_UI_icon_check-constructive.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/23px-OOjs_UI_icon_check-constructive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/OOjs_UI_icon_check-constructive.svg/30px-OOjs_UI_icon_check-constructive.svg.png 2x" data-file-width="20" data-file-height="20" /></span></span> <b>Done</b> – Navigate to <a href="/wiki/Special:Version" title="Special:Version">Special:Version</a> on your wiki to verify that the extension is successfully installed.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Configuration">Configuration</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Extension:WikibaseQualityConstraints&action=edit&section=2" title="Edit section: Configuration"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>See the "config" section in the <a class="external text" href="https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/WikibaseQualityConstraints/+/refs/heads/master/extension.json">extension.json</a> file. </p> <style data-mw-deduplicate="TemplateStyles:r6651108">.mw-parser-output table.ombox{margin:4px 10%;border-collapse:collapse;border:1px solid #a2a9b1;background-color:#f8f9fa;color:#333;box-sizing:border-box}.mw-parser-output .ombox td.mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ombox th.mbox-text,.mw-parser-output .ombox td.mbox-text{border:none;padding:0.25em 0.9em;width:100%}.mw-parser-output .ombox td.mbox-image{border:none;text-align:center;padding:2px 0 2px 0.9em}.mw-parser-output .ombox td.mbox-imageright{border:none;text-align:center;padding:2px 0.9em 2px 0}.mw-parser-output table.ombox-notice{border-color:#a2a9b1}.mw-parser-output table.ombox-speedy{background-color:#fee7e6;color:#333}.mw-parser-output table.ombox-speedy,.mw-parser-output table.ombox-delete{border-color:#b32424;border-width:2px}.mw-parser-output table.ombox-content{border-color:#f28500}.mw-parser-output table.ombox-style{border-color:#fc3}.mw-parser-output table.ombox-move{border-color:#9932cc}.mw-parser-output table.ombox-protection{border-color:#a2a9b1;border-width:2px}html body.mediawiki .mw-parser-output .ombox.mbox-small{clear:right;float:right;margin:4px 0 4px 1em;box-sizing:border-box;width:238px;font-size:88%;line-height:1.25em}@media screen{html.skin-theme-clientpref-night .mw-parser-output table.ombox{background-color:transparent;color:inherit}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output table.ombox{background-color:transparent;color:inherit}}</style><table class="ombox ombox-notice plainlinks" role="presentation" style="clear: both; margin-top: 0; margin-bottom: 0;"><tbody><tr><td class="mbox-image"><span class="skin-invert-image" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Wikimedia-logo_black.svg/40px-Wikimedia-logo_black.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Wikimedia-logo_black.svg/60px-Wikimedia-logo_black.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Wikimedia-logo_black.svg/80px-Wikimedia-logo_black.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span></td><td class="mbox-text">This extension is being used on one or more <a href="https://meta.wikimedia.org/wiki/Special:MyLanguage/Wikimedia_projects" class="extiw" title="m:Special:MyLanguage/Wikimedia projects">Wikimedia projects</a>. This probably means that the extension is stable and works well enough to be used by such high-traffic websites. Look for this extension's name in Wikimedia's <a class="external text" href="https://noc.wikimedia.org/conf/highlight.php?file=CommonSettings.php">CommonSettings.php</a> and <a class="external text" href="https://noc.wikimedia.org/conf/highlight.php?file=InitialiseSettings.php">InitialiseSettings.php</a> configuration files to see where it's installed. A full list of the extensions installed on a particular wiki can be seen on the wiki's <a href="/wiki/Special:Version" title="Special:Version">Special:Version</a> page.</td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r6651108"><table class="ombox ombox-notice" role="presentation"><tbody><tr><td class="mbox-image"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/OOjs_UI_icon_information-progressive.svg/40px-OOjs_UI_icon_information-progressive.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/OOjs_UI_icon_information-progressive.svg/60px-OOjs_UI_icon_information-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ec/OOjs_UI_icon_information-progressive.svg/80px-OOjs_UI_icon_information-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></span></span></td><td class="mbox-text">This extension is included in the following wiki farms/hosts and/or packages: <style data-mw-deduplicate="TemplateStyles:r6387430">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li,.mw-parser-output .hlist .mw-empty-elt{display:none}.mw-parser-output .hlist dt:after{content:": "}.mw-parser-output .hlist dd:after,.mw-parser-output .hlist li:after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child:after,.mw-parser-output .hlist dt:last-child:after,.mw-parser-output .hlist li:last-child:after{content:none}.mw-parser-output .hlist dd dd:first-child:before,.mw-parser-output .hlist dd dt:first-child:before,.mw-parser-output .hlist dd li:first-child:before,.mw-parser-output .hlist dt dd:first-child:before,.mw-parser-output .hlist dt dt:first-child:before,.mw-parser-output .hlist dt li:first-child:before,.mw-parser-output .hlist li dd:first-child:before,.mw-parser-output .hlist li dt:first-child:before,.mw-parser-output .hlist li li:first-child:before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child:after,.mw-parser-output .hlist dd dt:last-child:after,.mw-parser-output .hlist dd li:last-child:after,.mw-parser-output .hlist dt dd:last-child:after,.mw-parser-output .hlist dt dt:last-child:after,.mw-parser-output .hlist dt li:last-child:after,.mw-parser-output .hlist li dd:last-child:after,.mw-parser-output .hlist li dt:last-child:after,.mw-parser-output .hlist li li:last-child:after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li:before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child:before,.mw-parser-output .hlist dt ol>li:first-child:before,.mw-parser-output .hlist li ol>li:first-child:before{content:" ("counter(listitem)"\a0 "}</style><div class="hlist"> <ul><li><a href="/wiki/Special:MyLanguage/Miraheze" title="Special:MyLanguage/Miraheze">Miraheze</a><span style="display:none"><a href="/wiki/Miraheze" title="Miraheze"> </a></span></li> <li><a rel="nofollow" class="external text" href="https://www.pro.wiki/">ProWiki</a></li> <li><a rel="nofollow" class="external text" href="https://wikiforge.net/">WikiForge</a></li></ul> </div> <small>This is not an authoritative list.</small> <small>Some wiki farms/hosts and/or packages may contain this extension even if they are not listed here.</small> <small>Always check with your wiki farms/hosts or bundle to confirm.</small></td></tr></tbody></table>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://www.mediawiki.org/w/index.php?title=Extension:WikibaseQualityConstraints&oldid=6214194">https://www.mediawiki.org/w/index.php?title=Extension:WikibaseQualityConstraints&oldid=6214194</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Categories</a>: <ul><li><a href="/wiki/Category:Stable_extensions" title="Category:Stable extensions">Stable extensions</a></li><li><a href="/wiki/Category:User_interface_extensions" title="Category:User interface extensions">User interface extensions</a></li><li><a href="/wiki/Category:Extensions_supporting_Composer" title="Category:Extensions supporting Composer">Extensions supporting Composer</a></li><li><a href="/wiki/Category:GPL_licensed_extensions" title="Category:GPL licensed extensions">GPL licensed extensions</a></li><li><a href="/wiki/Category:Extensions_in_Wikimedia_version_control" title="Category:Extensions in Wikimedia version control">Extensions in Wikimedia version control</a></li><li><a href="/wiki/Category:ArticlePurge_extensions" title="Category:ArticlePurge extensions">ArticlePurge extensions</a></li><li><a href="/wiki/Category:BeforePageDisplay_extensions" title="Category:BeforePageDisplay extensions">BeforePageDisplay extensions</a></li><li><a href="/wiki/Category:LoadExtensionSchemaUpdates_extensions" title="Category:LoadExtensionSchemaUpdates extensions">LoadExtensionSchemaUpdates extensions</a></li><li><a href="/wiki/Category:WikibaseChangeNotification_extensions" title="Category:WikibaseChangeNotification extensions">WikibaseChangeNotification extensions</a></li><li><a href="/wiki/Category:All_extensions" title="Category:All extensions">All extensions</a></li><li><a href="/wiki/Category:Extensions_requiring_Composer_with_git" title="Category:Extensions requiring Composer with git">Extensions requiring Composer with git</a></li><li><a href="/wiki/Category:Extensions_used_on_Wikimedia" title="Category:Extensions used on Wikimedia">Extensions used on Wikimedia</a></li><li><a href="/wiki/Category:Extensions_included_in_Miraheze" title="Category:Extensions included in Miraheze">Extensions included in Miraheze</a></li><li><a href="/wiki/Category:Extensions_included_in_ProWiki" title="Category:Extensions included in ProWiki">Extensions included in ProWiki</a></li><li><a href="/wiki/Category:Extensions_included_in_WikiForge" title="Category:Extensions included in WikiForge">Extensions included in WikiForge</a></li><li><a href="/wiki/Category:Wikibase" title="Category:Wikibase">Wikibase</a></li><li><a href="/wiki/Category:Wikibase_extensions" title="Category:Wikibase extensions">Wikibase extensions</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Extensions_without_an_image" title="Category:Extensions without an image">Extensions without an image</a></li><li><a href="/wiki/Category:Extensions_with_release_branches_compatibility_policy" title="Category:Extensions with release branches compatibility policy">Extensions with release branches compatibility policy</a></li><li><a href="/wiki/Category:Extensions_with_manual_MediaWiki_version" title="Category:Extensions with manual MediaWiki version">Extensions with manual MediaWiki version</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 25 November 2023, at 23:49.</li> <li id="footer-info-copyright">Text is available under the <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-ShareAlike License</a>; additional terms may apply. Text in <a class="external text" href="https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Contents">the Help: namespace</a> is available under the <a rel="nofollow" class="external text" href="https://creativecommons.org/publicdomain/zero/1.0/">Creative Commons CC0 License</a>. By using this site, you agree to the <a class="external text" href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use">Terms of Use</a> and <a class="external text" href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy Policy</a>.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Project:About">About mediawiki.org</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Project:General_disclaimer">Disclaimers</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://www.mediawiki.org/wiki/Special:MyLanguage/Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/www.mediawiki.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-mobileview"><a href="//m.mediawiki.org/w/index.php?title=Extension:WikibaseQualityConstraints&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-mlxnj","wgBackendResponseTime":123,"wgPageParseReport":{"limitreport":{"cputime":"0.627","walltime":"0.746","ppvisitednodes":{"value":3299,"limit":1000000},"postexpandincludesize":{"value":261244,"limit":2097152},"templateargumentsize":{"value":12771,"limit":2097152},"expansiondepth":{"value":20,"limit":100},"expensivefunctioncount":{"value":7,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":10934,"limit":5000000},"entityaccesscount":{"value":0,"limit":400},"timingprofile":["100.00% 560.879 1 -total"," 76.89% 431.246 1 Template:Extension"," 24.26% 136.081 42 Template:Ll"," 18.52% 103.853 53 Template:Pagelang"," 17.32% 97.126 95 Template:Translatable"," 17.06% 95.711 2 Template:Mbox"," 11.73% 65.773 1 Template:Used_by"," 10.67% 59.868 1 Template:Flatlist"," 6.86% 38.458 1 Template:OnWikimedia"," 4.47% 25.069 1 Template:ExtensionInstall"]},"scribunto":{"limitreport-timeusage":{"value":"0.304","limit":"10.000"},"limitreport-memusage":{"value":16386244,"limit":52428800}},"cachereport":{"origin":"mw-api-int.codfw.main-849f99967d-dznbv","timestamp":"20241123152311","ttl":2592000,"transientcontent":false}}});});</script> </body> </html>