Class - Schema.org Type

<!DOCTYPE html> <html lang="en">  <head> <title>Class - Schema.org Type</title> <meta charset="utf-8" > <meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="description" content="Schema.org Type: Class - A class, also often called a 'Type'; equivalent to rdfs:Class." /> <link rel="shortcut icon" type="image/png" href="/docs/favicon.ico"/> <link rel="stylesheet" type="text/css" href="/docs/schemaorg.css" /> <link rel="stylesheet" type="text/css" href="/docs/devnote.css" /> <link rel="stylesheet" type="text/css" href="/docs/prettify.css" /> <script src="/docs/prettify.js"></script> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script src="/docs/schemaorg.js"></script>  <script src="/docs/sdotermpage.js"></script> <link rel="stylesheet" type="text/css" href="/docs/sdotermpage.css" /> <script src="/docs/pretty-markup/schemarama-parsing.bundle.min.js"></script> <script src="/docs/pretty-markup/layout.js"></script> <link rel="stylesheet" type="text/css" href="/docs/pretty-markup/style.css" /> <script src="/docs/clipboard/clipboard.min.js"></script> <link rel="canonical" href="https://schema.org/Class" /> </head> <body>   <div class="devnote"><b>Note</b>: You are viewing the development version of <a href="https://schema.org">Schema.org</a>. See <a href="/docs/howwework.html">how we work</a> for more details. </div> <div id="container"> <div id="headerwrap"> <div id="pagehead1" class="mobnav"> <div class="header-block" id="pagehead-left"> <div id="sitename2"> <a href="/">Schema.org</a> </div> </div> <div class="header-block header-block-right mobnav" id="pagehead-mid"> <div id="selectionbar2"> <ul> <li> <a href="/docs/documents.html">Docs</a> </li> <li> <a href="/docs/schemas.html">Schemas</a> </li> <li> <a href="https://validator.schema.org">Validate</a> </li> <li> <a href="/docs/about.html">About</a> </li> </ul> </div>  </div> <div class="header-block header-block-right mobnav" id="pagehead-right"> <div id="cse-search-form2" class="live-only"> <div class="gcse-searchbox-only" data-resultsUrl="/docs/search_results.html"></div> </div> </div> <div class="header-block mobnav" id="navicon2"> <a href="javascript:void(0);" class="icon" onclick="navFunction()"> <svg id="open" width="24px" height="24px" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <g clip-path="url(#clip0_3560_173)"> <path d="M3 18V16H21V18H3ZM3 13V11H21V13H3ZM3 8V6H21V8H3Z" fill="#444746"/> </g> <defs> <clipPath id="clip0_3560_173"> <rect width="24" height="24" fill="white"/> </clipPath> </defs> </svg> <svg id="close" width="24px" height="24px" viewBox="0 -960 960 960" fill="#444746" xmlns="http://www.w3.org/2000/svg"> <path d="m256-200-56-56 224-224-224-224 56-56 224 224 224-224 56 56-224 224 224 224-56 56-224-224-224 224Z"/> </svg> </a> </div> </div> </div> <div class="header-bottom"></div> </div>  <div id="mainContent"> <div id="infoblock" class="jumptarget" title="Details">  <div id="infohead"> <h1>Class</h1> <div class="infotype">A Schema.org Type</div>  <em>Defined in the <a href="/docs/meta.home.html">meta</a> section.</em> </div>  <div class="superPaths" itemscope itemtype="https://schema.org/BreadcrumbList"> <span itemscope itemprop="itemListElement" itemtype="https://schema.org/ListItem"> <meta itemprop="name" content="Thing" /> <meta itemprop="position" content="1" /> <a href="/Thing" itemprop="item" class="core" title="Thing">Thing</a> </span> > <span itemscope itemprop="itemListElement" itemtype="https://schema.org/ListItem"> <meta itemprop="name" content="Intangible" /> <meta itemprop="position" content="2" /> <a href="/Intangible" itemprop="item" class="core" title="Intangible">Intangible</a> </span> > <span itemscope itemprop="itemListElement" itemtype="https://schema.org/ListItem"> <meta itemprop="name" content="Class" /> <meta itemprop="position" content="3" /> <a href="/Class" itemprop="item" class="core" title="Class">Class</a> </span> <br/> </div>  <div> <div id='infobox' style='text-align: right; padding-right: 5px;' role="checkbox" aria-checked="false"> <label for="morecheck"><b><span style="cursor: pointer;">[more...]</span></b></label> </div> <input type='checkbox' checked="checked" style='display: none' id=morecheck><div id='infomsg' style='background-color: #EEEEEE; text-align: left; padding: 0.5em;'> <ul><li> <span class="canonicalUrl">Canonical URL: https://schema.org/Class</span> </li> <li> Equivalent Class: rdfs:Class </li>  <li><a href='https://github.com/schemaorg/schemaorg/issues?q=is%3Aissue+is%3Aopen+Class'>Check for open issues.</a></li> </ul> </div> </div>  <div class="description">A class, also often called a 'Type'; equivalent to rdfs:Class.</div> </div>     <table class="definition-table"> <thead> <tr><th>Property</th><th>Expected Type</th><th>Description</th></tr> </thead>  <tr class="supertype"><th class="supertype-name" colspan="3">Properties from <a href="/Class" class="core" title="Class">Class</a></th></tr> <tr><th class="prop-nam"><code> <a href="/supersededBy" class="core" title="supersededBy">supersededBy</a></code></th> <td class="prop-ect"> <a href="/Class" class="core" title="Class">Class</a>  or <br/> <a href="/Enumeration" class="core" title="Enumeration">Enumeration</a>  or <br/> <a href="/Property" class="core" title="Property">Property</a></td> <td class="prop-desc">Relates a term (i.e. a property, class or enumeration) to one that supersedes it. </td> </tr>   <tr class="supertype"><th class="supertype-name" colspan="3">Properties from <a href="/Thing" class="core" title="Thing">Thing</a></th></tr> <tr><th class="prop-nam"><code> <a href="/additionalType" class="core" title="additionalType">additionalType</a></code></th> <td class="prop-ect"> <a href="/Text" class="core" title="Text">Text</a>  or <br/> <a href="/URL" class="core" title="URL">URL</a></td> <td class="prop-desc">An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. Typically the value is a URI-identified RDF class, and in this case corresponds to the use of rdf:type in RDF. Text values can be used sparingly, for cases where useful information can be added without their being an appropriate schema to reference. In the case of text values, the class label should follow the schema.org <a href="https://schema.org/docs/styleguide.html">style guide</a>. </td> </tr> <tr><th class="prop-nam"><code> <a href="/alternateName" class="core" title="alternateName">alternateName</a></code></th> <td class="prop-ect"> <a href="/Text" class="core" title="Text">Text</a></td> <td class="prop-desc">An alias for the item. </td> </tr> <tr><th class="prop-nam"><code> <a href="/description" class="core" title="description">description</a></code></th> <td class="prop-ect"> <a href="/Text" class="core" title="Text">Text</a>  or <br/> <a href="/TextObject" class="core" title="TextObject">TextObject</a></td> <td class="prop-desc">A description of the item. </td> </tr> <tr><th class="prop-nam"><code> <a href="/disambiguatingDescription" class="core" title="disambiguatingDescription">disambiguatingDescription</a></code></th> <td class="prop-ect"> <a href="/Text" class="core" title="Text">Text</a></td> <td class="prop-desc">A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation. </td> </tr> <tr><th class="prop-nam"><code> <a href="/identifier" class="core" title="identifier">identifier</a></code></th> <td class="prop-ect"> <a href="/PropertyValue" class="core" title="PropertyValue">PropertyValue</a>  or <br/> <a href="/Text" class="core" title="Text">Text</a>  or <br/> <a href="/URL" class="core" title="URL">URL</a></td> <td class="prop-desc">The identifier property represents any kind of identifier for any kind of <a class="localLink" href="/Thing">Thing</a>, such as ISBNs, GTIN codes, UUIDs etc. Schema.org provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See <a href="/docs/datamodel.html#identifierBg">background notes</a> for more details. </td> </tr> <tr><th class="prop-nam"><code> <a href="/image" class="core" title="image">image</a></code></th> <td class="prop-ect"> <a href="/ImageObject" class="core" title="ImageObject">ImageObject</a>  or <br/> <a href="/URL" class="core" title="URL">URL</a></td> <td class="prop-desc">An image of the item. This can be a <a class="localLink" href="/URL">URL</a> or a fully described <a class="localLink" href="/ImageObject">ImageObject</a>. </td> </tr> <tr><th class="prop-nam"><code> <a href="/mainEntityOfPage" class="core" title="mainEntityOfPage">mainEntityOfPage</a></code></th> <td class="prop-ect"> <a href="/CreativeWork" class="core" title="CreativeWork">CreativeWork</a>  or <br/> <a href="/URL" class="core" title="URL">URL</a></td> <td class="prop-desc">Indicates a page (or other CreativeWork) for which this thing is the main entity being described. See <a href="/docs/datamodel.html#mainEntityBackground">background notes</a> for details. <br/>Inverse property: <a href="/mainEntity" class="core" title="mainEntity">mainEntity</a> </td> </tr> <tr><th class="prop-nam"><code> <a href="/name" class="core" title="name">name</a></code></th> <td class="prop-ect"> <a href="/Text" class="core" title="Text">Text</a></td> <td class="prop-desc">The name of the item. </td> </tr> <tr><th class="prop-nam"><code> <a href="/potentialAction" class="core" title="potentialAction">potentialAction</a></code></th> <td class="prop-ect"> <a href="/Action" class="core" title="Action">Action</a></td> <td class="prop-desc">Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role. </td> </tr> <tr><th class="prop-nam"><code> <a href="/sameAs" class="core" title="sameAs">sameAs</a></code></th> <td class="prop-ect"> <a href="/URL" class="core" title="URL">URL</a></td> <td class="prop-desc">URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Wikidata entry, or official website. </td> </tr> <tr><th class="prop-nam"><code> <a href="/subjectOf" class="core" title="subjectOf">subjectOf</a></code></th> <td class="prop-ect"> <a href="/CreativeWork" class="core" title="CreativeWork">CreativeWork</a>  or <br/> <a href="/Event" class="core" title="Event">Event</a></td> <td class="prop-desc">A CreativeWork or Event about this Thing. <br/>Inverse property: <a href="/about" class="core" title="about">about</a> </td> </tr> <tr><th class="prop-nam"><code> <a href="/url" class="core" title="url">url</a></code></th> <td class="prop-ect"> <a href="/URL" class="core" title="URL">URL</a></td> <td class="prop-desc">URL of the item. </td> </tr> </table>  <br/><div id="incoming">Instances of <a href="/Class" class="core" title="Class">Class</a> may appear as a value for the following properties</div> <table class="definition-table"> <thead><tr><th>Property</th><th>On Types</th><th>Description</th></tr></thead> <tr><th class="prop-nam"> <a href="/domainIncludes" class="core" title="domainIncludes">domainIncludes</a></th> <td class="prop-ect"> <a href="/Property" class="core" title="Property">Property</a></td> <td class="prop-desc">Relates a property to a class that is (one of) the type(s) the property is expected to be used on. </tr> <tr><th class="prop-nam"> <a href="/populationType" class="core" title="populationType">populationType</a></th> <td class="prop-ect"> <a href="/StatisticalPopulation" class="ext ext-pending" title="StatisticalPopulation">StatisticalPopulation</a>  or <br/> <a href="/StatisticalVariable" class="ext ext-pending" title="StatisticalVariable">StatisticalVariable</a></td> <td class="prop-desc">Indicates the populationType common to all members of a <a class="localLink" href="/StatisticalPopulation">StatisticalPopulation</a> or all cases within the scope of a <a class="localLink" href="/StatisticalVariable">StatisticalVariable</a>. </tr> <tr><th class="prop-nam"> <a href="/rangeIncludes" class="core" title="rangeIncludes">rangeIncludes</a></th> <td class="prop-ect"> <a href="/Property" class="core" title="Property">Property</a></td> <td class="prop-desc">Relates a property to a class that constitutes (one of) the expected type(s) for values of the property. </tr> <tr><th class="prop-nam"> <a href="/supersededBy" class="core" title="supersededBy">supersededBy</a></th> <td class="prop-ect"> <a href="/Class" class="core" title="Class">Class</a>  or <br/> <a href="/Enumeration" class="core" title="Enumeration">Enumeration</a>  or <br/> <a href="/Property" class="core" title="Property">Property</a></td> <td class="prop-desc">Relates a term (i.e. a property, class or enumeration) to one that supersedes it. </tr> </table>       </div>   <div id="footer"> <p><a href="/docs/terms.html">Terms and conditions</a></p> <div id="versioninfo"> <span class="sep">•</span> Schema.org <span class="sep">•</span> V29.0 <span class="sep">|</span> 2025-03-24 </div> </div> <script> (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-52672119-1', 'auto'); ga('send', 'pageview'); </script>  <script type="application/ld+json"> { "@context": { "brick": "https://brickschema.org/schema/Brick#", "csvw": "http://www.w3.org/ns/csvw#", "dc": "http://purl.org/dc/elements/1.1/", "dcam": "http://purl.org/dc/dcam/", "dcat": "http://www.w3.org/ns/dcat#", "dcmitype": "http://purl.org/dc/dcmitype/", "dcterms": "http://purl.org/dc/terms/", "doap": "http://usefulinc.com/ns/doap#", "foaf": "http://xmlns.com/foaf/0.1/", "odrl": "http://www.w3.org/ns/odrl/2/", "org": "http://www.w3.org/ns/org#", "owl": "http://www.w3.org/2002/07/owl#", "prof": "http://www.w3.org/ns/dx/prof/", "prov": "http://www.w3.org/ns/prov#", "qb": "http://purl.org/linked-data/cube#", "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#", "rdfs": "http://www.w3.org/2000/01/rdf-schema#", "schema": "https://schema.org/", "sh": "http://www.w3.org/ns/shacl#", "skos": "http://www.w3.org/2004/02/skos/core#", "sosa": "http://www.w3.org/ns/sosa/", "ssn": "http://www.w3.org/ns/ssn/", "time": "http://www.w3.org/2006/time#", "vann": "http://purl.org/vocab/vann/", "void": "http://rdfs.org/ns/void#", "xsd": "http://www.w3.org/2001/XMLSchema#" }, "@graph": [ { "@id": "schema:sameAs", "@type": "rdf:Property", "rdfs:comment": "URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Wikidata entry, or official website.", "rdfs:label": "sameAs", "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:rangeIncludes": { "@id": "schema:URL" } }, { "@id": "schema:Thing", "@type": "rdfs:Class", "rdfs:comment": "The most generic type of item.", "rdfs:label": "Thing" }, { "@id": "schema:disambiguatingDescription", "@type": "rdf:Property", "rdfs:comment": "A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation.", "rdfs:label": "disambiguatingDescription", "rdfs:subPropertyOf": { "@id": "schema:description" }, "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:rangeIncludes": { "@id": "schema:Text" } }, { "@id": "schema:supersededBy", "@type": "rdf:Property", "rdfs:comment": "Relates a term (i.e. a property, class or enumeration) to one that supersedes it.", "rdfs:label": "supersededBy", "schema:domainIncludes": [ { "@id": "schema:Enumeration" }, { "@id": "schema:Property" }, { "@id": "schema:Class" } ], "schema:isPartOf": { "@id": "https://meta.schema.org" }, "schema:rangeIncludes": [ { "@id": "schema:Class" }, { "@id": "schema:Property" }, { "@id": "schema:Enumeration" } ] }, { "@id": "schema:Intangible", "@type": "rdfs:Class", "rdfs:comment": "A utility class that serves as the umbrella for a number of 'intangible' things such as quantities, structured values, etc.", "rdfs:label": "Intangible", "rdfs:subClassOf": { "@id": "schema:Thing" } }, { "@id": "schema:potentialAction", "@type": "rdf:Property", "rdfs:comment": "Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role.", "rdfs:label": "potentialAction", "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:rangeIncludes": { "@id": "schema:Action" } }, { "@id": "schema:image", "@type": "rdf:Property", "rdfs:comment": "An image of the item. This can be a [[URL]] or a fully described [[ImageObject]].", "rdfs:label": "image", "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:rangeIncludes": [ { "@id": "schema:ImageObject" }, { "@id": "schema:URL" } ] }, { "@id": "schema:identifier", "@type": "rdf:Property", "owl:equivalentProperty": { "@id": "dcterms:identifier" }, "rdfs:comment": "The identifier property represents any kind of identifier for any kind of [[Thing]], such as ISBNs, GTIN codes, UUIDs etc. Schema.org provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See [background notes](/docs/datamodel.html#identifierBg) for more details.\n ", "rdfs:label": "identifier", "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:rangeIncludes": [ { "@id": "schema:Text" }, { "@id": "schema:URL" }, { "@id": "schema:PropertyValue" } ] }, { "@id": "schema:subjectOf", "@type": "rdf:Property", "rdfs:comment": "A CreativeWork or Event about this Thing.", "rdfs:label": "subjectOf", "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:inverseOf": { "@id": "schema:about" }, "schema:rangeIncludes": [ { "@id": "schema:Event" }, { "@id": "schema:CreativeWork" } ], "schema:source": { "@id": "https://github.com/schemaorg/schemaorg/issues/1670" } }, { "@id": "schema:mainEntityOfPage", "@type": "rdf:Property", "rdfs:comment": "Indicates a page (or other CreativeWork) for which this thing is the main entity being described. See [background notes](/docs/datamodel.html#mainEntityBackground) for details.", "rdfs:label": "mainEntityOfPage", "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:inverseOf": { "@id": "schema:mainEntity" }, "schema:rangeIncludes": [ { "@id": "schema:URL" }, { "@id": "schema:CreativeWork" } ] }, { "@id": "schema:name", "@type": "rdf:Property", "owl:equivalentProperty": { "@id": "dcterms:title" }, "rdfs:comment": "The name of the item.", "rdfs:label": "name", "rdfs:subPropertyOf": { "@id": "rdfs:label" }, "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:rangeIncludes": { "@id": "schema:Text" } }, { "@id": "schema:additionalType", "@type": "rdf:Property", "rdfs:comment": "An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. Typically the value is a URI-identified RDF class, and in this case corresponds to the\n use of rdf:type in RDF. Text values can be used sparingly, for cases where useful information can be added without their being an appropriate schema to reference. In the case of text values, the class label should follow the schema.org <a href=\"https://schema.org/docs/styleguide.html\">style guide</a>.", "rdfs:label": "additionalType", "rdfs:subPropertyOf": { "@id": "rdf:type" }, "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:rangeIncludes": [ { "@id": "schema:Text" }, { "@id": "schema:URL" } ] }, { "@id": "schema:alternateName", "@type": "rdf:Property", "rdfs:comment": "An alias for the item.", "rdfs:label": "alternateName", "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:rangeIncludes": { "@id": "schema:Text" } }, { "@id": "schema:url", "@type": "rdf:Property", "rdfs:comment": "URL of the item.", "rdfs:label": "url", "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:rangeIncludes": { "@id": "schema:URL" } }, { "@id": "schema:description", "@type": "rdf:Property", "owl:equivalentProperty": { "@id": "dcterms:description" }, "rdfs:comment": "A description of the item.", "rdfs:label": "description", "schema:domainIncludes": { "@id": "schema:Thing" }, "schema:rangeIncludes": [ { "@id": "schema:TextObject" }, { "@id": "schema:Text" } ] }, { "@id": "schema:Class", "@type": "rdfs:Class", "owl:equivalentClass": { "@id": "rdfs:Class" }, "rdfs:comment": "A class, also often called a 'Type'; equivalent to rdfs:Class.", "rdfs:label": "Class", "rdfs:subClassOf": { "@id": "schema:Intangible" }, "schema:isPartOf": { "@id": "https://meta.schema.org" } } ] } </script> </body> </html>

CINXE.COM

Class - Schema.org Type