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Routing</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/discovery" class="_3cx9">曝光和再次互動</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/ads" class="_3cx9">Ads</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/send-messages" class="_3cx9">傳送訊息</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/instagram" class="_3cx9">Instagram 訊息功能</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/conversations" class="_3cx9">對話 API</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/webview" class="_3cx9">Webview</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/identity" class="_3cx9">編號和個人檔案</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/built-in-nlp" class="_3cx9">自然語言處理</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/analytics" class="_3cx9">分析工具和意見</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/submission-process" class="_3cx9">提交程序</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/policy" class="_3cx9">政策和使用指南</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/reference" class="_3cx9">參考資料</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/introduction/general-best-practices" class="_3cx9">一般最佳操作實例</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/error-codes" class="_3cx9">Error Codes</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/support-resources" class="_3cx9">支援資源</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/faq" class="_3cx9">常見問題</a></li><li class="_3cx7 _3cxd"><a href="/docs/messenger-platform/changelog" class="_3cx9">變更記錄</a></li></ul></div><div class="_2pi6"><span class="img _55ym _55yq _55yo _5d9-" aria-busy="true" role="progressbar" aria-valuemin="0" aria-valuemax="100" aria-valuetext="載入中……"></span></div></div></div></div></div><div class="_1jbo _4are _1jcw _1jd4 _5zlc"><div class="_1dyy" id="u_0_7_de"></div><div id="documentation_body_pagelet" data-referrer="documentation_body_pagelet"><div class="_34yh" id="u_0_0_lK"><div class="_4cel"><span data-click-area="main"><div class="_7aa"><div class="_4-u2 _57mb _1u44 _3fw6 _4-u8"><div class="_4-u3 _588p"><table class="uiGrid _51mz _57v1" cellspacing="0" cellpadding="0"><tbody><tr class="_51mx"><td class="_51m- vTop hLeft _57v2"><img class="img" src="https://scontent-hkg4-1.xx.fbcdn.net/v/t39.8562-6/120692450_343275036884880_3421312456895104231_n.png?_nc_cat=106&ccb=1-7&_nc_sid=f537c7&_nc_ohc=L9mkMYj04fEQ7kNvgFsFUIr&_nc_zt=14&_nc_ht=scontent-hkg4-1.xx&_nc_gid=Aww_eUYpwNwFms04Dio2Xf4&oh=00_AYAVCIe3wtKAc_MGgxcsUkO-Pom_5UoOYw30n2nfMiZ2XA&oe=6747BC18" height="50" alt="" /></td><td class="_51m- vTop hLeft _57v2 _51mw"><div style="padding-top:2px"><h1>Messenger 平台專用 Meta Webhooks </h1></div></td></tr></tbody></table><p>Meta Webhooks 讓您可以收到 Meta 社交關係圖內特定物件相關變更的即時 HTTP 通知。例如，當用戶向您的 Facebook 專頁或 Instagram 專業帳戶傳送訊息時，我們會傳送通知給您。Webhooks 通知讓您可以<strong>追蹤傳入訊息和訊息狀態更新</strong>。如果您之前是透過查詢 Messenger 平台端點來追蹤此類變更，使用 Webhooks 通知也可讓您<strong>避免限速限制問題</strong>。</p><p>如要成功執行適用於 Messenger 或 Instagram 對話的 Webhooks，您需要採取以下操作：</p><ol><li>在您的伺服器上建立一個端點，以接收和處理您的 Webhooks 通知，即 JSON 物件</li><li>在應用程式管理中心配置 Meta Webhooks 產品</li><li>訂閱您想接收的 Meta Webhooks 通知</li><li>在與您的商業帳戶或 Instagram 專業帳戶連結的 Facebook 專頁上安裝訊息應用程式</li></ol><h2>準備工作</h2><p>在正式開始前，我們假設您已經完成以下事項：</p><ul class="uiList _4of _4kg"><li><div class="fcb">閱讀 <a href="https://developers.facebook.com/docs/messenger-platform/overview" target="_blank">Messenger 平台概覽<img class="img" src="https://scontent-hkg1-2.xx.fbcdn.net/v/t39.2365-6/310307727_3347317042262105_1088877051262827250_n.png?_nc_cat=107&ccb=1-7&_nc_sid=e280be&_nc_ohc=tsV24nNPbu0Q7kNvgEofBoC&_nc_zt=14&_nc_ht=scontent-hkg1-2.xx&_nc_gid=Aww_eUYpwNwFms04Dio2Xf4&oh=00_AYB-1kOtJJ5VKG6V4nCmYZjJu629MGGcOSE6kGZqjaQaHg&oe=675C5762" width="10px" alt="" /></a>，並安裝當中所列使用 Meta 開發內容所需的組件 </div></li></ul></div></div><div class="_4-u2 _57mb _1u44 _3fw6 _4-u8"><div class="_4-u3 _588p"><h2>配置 Node.JS 伺服器</h2><p>您的伺服器必須能夠處理兩類 HTTPS 要求：<a href="#verification-requests">驗證要求</a>和<a href="#event-notifications">事件通知</a>。由於這兩類要求都使用 HTTPs，因此您的伺服器必須已正確配置並安裝有效的 TLS 或 SSL 憑證。系統不支援自行簽署的憑證。</p><p>以下各部分將說明每類要求中的內容，以及回應這些要求的方式。</p><p>此處所示的程式碼範例擷取自我們在 <a href="https://l.facebook.com/l.php?u=https%3A%2F%2Fgithub.com%2Ffbsamples%2Foriginal-coast-clothing%2Fblob%2Fmain%2Fapp.js&h=AT2PFwn3y03AGI725pUK5dIOnxvtExo5IGZPqAaeCyBHru6VTrrNRzVkmIjnPBYVEgUlMThfIB2XYMDV-RvpV9v4RunHISWfsSV-xuCvo3VvVJrm786bg0AWRjlrZhDL3eLnxmTdjEe7wkLLwcJ-NFxhNA" rel="nofollow" target="_blank" data-lynx-mode="hover">GitHub 上的應用程式範例 <img class="img" src="https://scontent-hkg1-2.xx.fbcdn.net/v/t39.2365-6/310307727_3347317042262105_1088877051262827250_n.png?_nc_cat=107&ccb=1-7&_nc_sid=e280be&_nc_ohc=tsV24nNPbu0Q7kNvgEofBoC&_nc_zt=14&_nc_ht=scontent-hkg1-2.xx&_nc_gid=Aww_eUYpwNwFms04Dio2Xf4&oh=00_AYB-1kOtJJ5VKG6V4nCmYZjJu629MGGcOSE6kGZqjaQaHg&oe=675C5762" width="10px" alt="" /></a>。請瀏覽 GitHub 以查看完整範例，並進一步了解如何設定 Webhooks 伺服器。 </p><h3 id="create-endpoint">建立端點</h3><p>如要建立端點以從 Messenger 平台接收 Webhooks 通知，<code>app.js</code> 檔案可能需要如下所示：</p><pre class="_5s-8 prettyprint lang-js" style=""> // Create the endpoint for your webhook app.post("/webhook", (req, res) => { let body = req.body; console.log(`\u{1F7EA} Received webhook:`); console.dir(body, { depth: null }); ... </pre><p>這段程式碼會建立可接受 <code>POST</code> 要求的 <code>/webhook</code> 端點，以確認有關要求是否為 Webhooks 通知。</p><h3>傳回 <code>200 OK</code> 回應</h3><p>端點必須傳回 <code>200 OK</code> 回應，來告知 Messenger 平台已經收到事件，無需重新傳送。一般而言，您應等到通知處理完成後才傳送這個回應。</p><h4>回應事件通知</h4><div style="padding-bottom:10px"></div><p>您的端點應該在回應所有通知時滿足下列條件：</p><ul class="uiList _4of _4kg"><li><div class="fcb">以 <code>200 OK HTTPS</code> 回應</div></li><li><div class="fcb">時間為 5 秒內</div></li></ul><p>以下程式碼會位於 <code>app.js</code> 檔案內的 <code>app.post</code> 中，可能如下所示：</p><pre class="_5s-8 prettyprint lang-js" style=""> ... // Send a 200 OK response if this is a page webhook if (body.object === "page") { // Returns a '200 OK' response to all requests res.status(200).send("EVENT_RECEIVED"); ... // Determine which webhooks were triggered and get sender PSIDs and locale, message content and more. ... } else { // Return a '404 Not Found' if event is not from a page subscription res.sendStatus(404); } }); </pre><h3>驗證要求</h3><p>每當您在應用程式管理中心配置 Webhooks 產品時，我們都會將一項 <code>GET</code> 要求傳送至您的端點網址。驗證要求包含下列查詢字串參數，這些參數會附加至端點網址的尾段，類似下方所示：</p><h4>驗證要求範例</h4><pre class="_5s-8 prettyprint lang-html" style=""> GET https://www.your-clever-domain-name.com/webhooks? hub.mode=subscribe& hub.verify_token=mytoken& hub.challenge=1158201444 </pre><h4>確認驗證要求</h4><div style="padding-bottom:10px"></div><p>每當您的端點收到驗證要求時，其都必須如下操作：</p><ul class="uiList _4of _4kg"><li><div class="fcb">確認 <code>hub.verify_token</code> 值與您在應用程式管理中心<a href="#configure-webhooks-product">配置 Webhooks 產品</a>時，在<strong>驗證憑證</strong>欄位所設定的字串相符（您尚未設定此憑證）。</div></li><li><div class="fcb">以 <code>hub.challenge</code> 值回應。</div></li></ul><p><code>app.js</code> 檔案可能會如下所示：</p><pre class="_5s-8 prettyprint lang-js" style="">// Add support for GET requests to our webhook app.get("/messaging-webhook", (req, res) => { // Parse the query params let mode = req.query["hub.mode"]; let token = req.query["hub.verify_token"]; let challenge = req.query["hub.challenge"]; // Check if a token and mode is in the query string of the request if (mode && token) { // Check the mode and token sent is correct if (mode === "subscribe" && token === config.verifyToken) { // Respond with the challenge token from the request console.log("WEBHOOK_VERIFIED"); res.status(200).send(challenge); } else { // Respond with '403 Forbidden' if verify tokens do not match res.sendStatus(403); } } });</pre><div class="_57-c"><table class="_4-ss _5k9x"><thead><th style="width:20%">參數</th><th style="width:20%">回應範例</th><th>說明</th></thead><tbody class="_5m37" id="u_0_1_18"><tr class="row_0"><td><p><code>hub.mode</code></p></td><td><p><code>subscribe</code></p></td><td><p>此值一律設為 <code>subscribe</code>。</p></td></tr><tr class="row_1 _5m29"><td><p><code>hub.challenge</code></p></td><td><p><code>1158201444</code></p></td><td><p>您必須傳回給我們的 <code>int</code>。</p></td></tr><tr class="row_2"><td><p><code>hub.verify_token</code></p></td><td><p><code>mytoken</code></p></td><td><p>我們從您應用程式的應用程式管理中心<strong>驗證憑證</strong>欄位所獲取的字串。當您完成 Webhooks 配置設定步驟時，便會設定此字串。</p></td></tr></tbody></table></div><p><b>備註：</b><a href="http://l.facebook.com/l.php?u=http%3A%2F%2Fwww.php.net%2Fmanual%2Fen%2Flanguage.variables.external.php&h=AT2I8-ZeVTpYqHxIatmzccIjq7krU_7KJH8f7D195h3eSXAxjsmGdEgdrI-Uy6KowB_wMU8TGb5zHBcmYm4l0Bm0hzjVMFHMCs3s8lVhmQuKsr6dMevzTN8bxs6yShb0NQCpUX7Ny5y9h5ZmLIEDkNPowg" rel="nofollow" target="_blank" data-lynx-mode="hover">PHP 會將參數名稱中的句號（.）改為底線（_）<img class="img" src="https://scontent-hkg1-2.xx.fbcdn.net/v/t39.2365-6/310307727_3347317042262105_1088877051262827250_n.png?_nc_cat=107&ccb=1-7&_nc_sid=e280be&_nc_ohc=tsV24nNPbu0Q7kNvgEofBoC&_nc_zt=14&_nc_ht=scontent-hkg1-2.xx&_nc_gid=Aww_eUYpwNwFms04Dio2Xf4&oh=00_AYB-1kOtJJ5VKG6V4nCmYZjJu629MGGcOSE6kGZqjaQaHg&oe=675C5762" width="10px" alt="" /></a>。 </p><p>如果您正在應用程式管理中心配置 Webhooks 產品並因此觸發驗證要求，管理中心會表明您的端點是否已正確地驗證要求。如果您使用 Graph API 的 <code>/app/subscriptions</code> 端點來配置 Webhooks 產品，此 API 會透過回應表明設定成功還是失敗。</p><h3>事件通知</h3><p>當您配置 Webhooks 產品時，您將會訂閱某個 <code>object</code> 類型的特定 <code>fields</code>（例如 <code>page</code> 物件的 <code>messages</code> 欄位）。每當其中某個欄位出現變更時，我們都會向您的端點傳送 <code>POST</code> 要求，其中包含描述相關變更的 JSON 裝載。</p><p>舉例來說，如果您已訂閱 <code>page</code> 物件的 <code>message_reactions</code> 欄位，而且顧客對您應用程式傳送的訊息表達了心情，我們會傳送如下所示的 <code>POST</code> 要求給您：</p><div class="_7aa"><div class="_4gnf _4fa6"><pre class="prettyprint lang-sh"><code>{ "object":"page", "entry":[ { "id":"<PAGE_ID>", "time":1458692752478, "messaging":[ { "sender":{ "id":"<PSID>" }, "recipient":{ "id":"<PAGE_ID>" }, ... } ] } ] }</code></pre><div class="_3-95"></div></div></div><h4>裝載內容</h4><div style="padding-bottom:10px"></div><p>裝載會包含描述相關變更的物件。<a href="#configure-webhooks-product">配置 Webhooks 產品</a>時，您可以指明裝載應該只包含已更改欄位的名稱，還是亦應包含新值。</p><p>我們會將所有裝載的格式設定為 JSON，這樣您便可以使用常見的 JSON 剖析方法或套件來剖析裝載。</p><div class="_57yz _57z1 _3-8p"><div class="_57y-"><p>我們不會儲存傳送給您的任何 Webhook 事件通知數據，因此請務必擷取並儲存您想保留的任何裝載內容。</p></div></div><h3>驗證裝載</h3><p>我們會使用 <strong>SHA256</strong> 簽章簽署所有事件通知裝載，而且在相關要求的「X-Hub-Signature-256」標題中包含簽章並在前面加上「sha256=」。雖然您無需驗證裝載，但我們強烈建議您完成驗證。</p><p>如要驗證裝載，請按照下列步驟操作：</p><ol><li>使用裝載和您應用程式的<strong>應用程式密鑰</strong>來產生 <strong>SHA256</strong> 簽章。</li><li>比較您的簽章與 <code>X-Hub-Signature-256</code> 標題中的簽章（<code>sha256=</code> 之後的所有內容）。如果簽章一致，則表示裝載真實有效。</li></ol><div class="_57yz _57z0 _3-8p"><div class="_57y-"><p>請注意，我們會使用裝載的<em>逸出 Unicode</em> 版本產生簽章，並以小寫 16 進位表示。如果您只需針對已解碼位元組進行計算，則您最終會產生一個不同的簽章。例如，字串 <code>äöå</code> 應該逸出為 <code>\u00e4\u00f6\u00e5</code>。</p></div></div><div style="padding-bottom:10px"></div><p><code>app.js</code> 檔案可能會如下所示：</p><pre class="_5s-8 prettyprint lang-js" style="">// Import dependencies and set up http server const express = require("express"), bodyParser = require("body-parser"), { urlencoded, json } = require("body-parser"), app = express().use(bodyParser.json()); ... // Verify that the callback came from Facebook. function verifyRequestSignature(req, res, buf) { var signature = req.headers["x-hub-signature-256"]; if (!signature) { console.warn(`Couldn't find "x-hub-signature-256" in headers.`); } else { var elements = signature.split("="); var signatureHash = elements[1]; var expectedHash = crypto .createHmac("sha256", config.appSecret) .update(buf) .digest("hex"); if (signatureHash != expectedHash) { throw new Error("Couldn't validate the request signature."); } } }</pre><h4>再次嘗試傳送 Webhooks</h4><p>若通知未能傳送至您的伺服器，我們會立即再嘗試傳送幾次。您的伺服器應在這些情況下處理重複數據。若在 15 分鐘後，我們仍無法向您傳送通知，系統會向您的開發人員帳戶傳送一則提醒訊息。</p><p>如果通知傳送功能持續失效達 1 小時，您就會收到「<strong>Webhooks 被停用</strong>」提醒，然後您的應用程式就會取消訂閱專頁或 Instagram 專業帳戶的 Webhooks。解決相關問題後，您需要再次訂閱 Webhooks。</p><h3>測試您的 Webhooks</h3><p>如要測試您的 Webhooks 驗證，請使用驗證憑證執行以下 cURL 要求：</p><pre class="_5s-8 prettyprint lang-sh" style="">curl -X GET "localhost:1337/webhook?hub.verify_token=YOUR-VERIFY-TOKEN&hub.challenge=CHALLENGE_ACCEPTED&hub.mode=subscribe"</pre><p>如果您的 Webhooks 驗證運作正常，您將會看到：</p><ul class="uiList _4of _4kg"><li><div class="fcb"><code>WEBHOOK_VERIFIED</code> 記錄到節點進程運行所在的指令行中。</div></li><li><div class="fcb"><code>CHALLENGE_ACCEPTED</code> 記錄到傳送 cURL 要求的指令行中。</div></li></ul><p>如要測試您的 Webhook，請傳送下列 cURL 要求：</p><pre class="_5s-8 prettyprint lang-sh" style="">curl -H "Content-Type: application/json" -X POST "localhost:1337/webhook" -d '{"object": "page", "entry": [{"messaging": [{"message": "TEST_MESSAGE"}]}]}'</pre><p>如果您的 Webhooks 運作正常，您將會看到：</p><ul class="uiList _4of _4kg"><li><div class="fcb"><code>TEST_MESSAGE</code> 記錄到節點進程運行所在的指令行中。</div></li><li><div class="fcb"><code>EVENT RECEIVED</code> 記錄到傳送 cURL 要求的指令行中。</div></li></ul></div></div><div class="_4-u2 _57mb _1u44 _3fw6 _4-u8"><div class="_4-u3 _588p"><h2>訂閱 Meta Webhooks</h2><p>在您的 Webhooks 伺服器端點或應用程式範例準備就緒後，請前往您應用程式的<a href="https://developers.facebook.com/apps/" target="_blank">應用程式管理中心<img class="img" src="https://scontent-hkg1-2.xx.fbcdn.net/v/t39.2365-6/310307727_3347317042262105_1088877051262827250_n.png?_nc_cat=107&ccb=1-7&_nc_sid=e280be&_nc_ohc=tsV24nNPbu0Q7kNvgEofBoC&_nc_zt=14&_nc_ht=scontent-hkg1-2.xx&_nc_gid=Aww_eUYpwNwFms04Dio2Xf4&oh=00_AYB-1kOtJJ5VKG6V4nCmYZjJu629MGGcOSE6kGZqjaQaHg&oe=675C5762" width="10px" alt="" /></a> 訂閱 Meta Webhooks。</p><p>在此範例中，我們將使用管理中心配置 Webhook 並訂閱 <code>messages</code> 欄位。每當顧客向您的應用程式傳送訊息，系統都會傳送通知到您的 Webhooks 端點。</p><ol><li>在應用程式管理中心，前往<b>產品</b> > <b>Messenger</b> > <b>設定</b>。 <ul class="uiList _4of _4kg"><li><div class="fcb">Instagram 訊息功能不支援部分 Messenger 平台 Webhooks。如果您只是為 Instagram 執行 Webhooks，並且知道可用於 Instagram 訊息的 Webhooks，請在此訂閱 Webhooks。若僅查看並為 Instagram 訊息訂閱 Webhooks，您可以前往 <b>Instagram 設定</b>。</div></li></ul></li><li><p>在<b>回呼網址</b>欄位中輸入端點網址，並在<b>驗證憑證</b>欄位中新增驗證憑證。我們會在所有<a href="#verification-requests">驗證要求</a>中加入此字串。如果您正在使用我們其中一個範例應用程式，則此字串應該就是您用於自家應用程式 <code>TOKEN</code> 配置變數的同一組字串。</p></li><li>訂閱系統傳送通知所針對的欄位，然後點擊<b>儲存</b>。</li><li><span><p>最後一個步驟是訂閱個別欄位。訂閱 <code>photos</code> 欄位，並傳送測試事件通知。</p><p>如果您的端點設定正確，它應該會<a href="#validate-payloads">驗證裝載</a>，並會在驗證成功後，執行您為其設定的任何程式碼。如果您正在使用我們的<a href="/docs/graph-api/webhooks/sample-apps">範例應用程式</a>，請在網頁瀏覽器中載入應用程式網址。畫面應該會顯示裝載內容。</p></span></li></ol><p>您可以隨時使用應用程式管理中心更改您的 Webhooks 訂閱、驗證憑證或 API 版本。</p><p><strong>備註：</strong>建議您使用最新版本的 API 來接收每個 Webhook 的所有可用資訊。</p><p> 您亦可使用 <a href="/docs/graph-api/reference/application/subscriptions" target="_blank"><code>/app/subscriptions</code> 端點 <img class="img" src="https://scontent-hkg1-2.xx.fbcdn.net/v/t39.2365-6/310307727_3347317042262105_1088877051262827250_n.png?_nc_cat=107&ccb=1-7&_nc_sid=e280be&_nc_ohc=tsV24nNPbu0Q7kNvgEofBoC&_nc_zt=14&_nc_ht=scontent-hkg1-2.xx&_nc_gid=Aww_eUYpwNwFms04Dio2Xf4&oh=00_AYB-1kOtJJ5VKG6V4nCmYZjJu629MGGcOSE6kGZqjaQaHg&oe=675C5762" width="10px" alt="" /></a>，以程式設計的方式完成操作。 </p><h4>可用的 Messenger 平台欄位</h4><div style="padding:10px"></div><div class="_7aa"><div class="_57-c"><table class="_4-ss _5k9x"><thead><th>Webhook 事件</th><th>描述</th></thead><tbody class="_5m37" id="u_0_2_yO"><tr class="row_0"><td><p><code>messages</code></p></td><td><p>訂閱<a href="/docs/messenger-platform/webhook-reference/message-received">訊息已接收事件</a></p></td></tr><tr class="row_1 _5m29"><td><p><code>messaging_account_linking</code></p></td><td><p>訂閱<a href="/docs/messenger-platform/webhook-reference/account-linking">帳戶連結事件</a></p></td></tr><tr class="row_2"><td><p><code>messaging_checkout_updates</code>（測試版）</p></td><td><p>訂閱<a href="/docs/messenger-platform/webhook-reference/checkout-update">結帳更新事件</a></p></td></tr><tr class="row_3 _5m29"><td><p><code>message_deliveries</code></p></td><td><p>訂閱<a href="/docs/messenger-platform/webhook-reference/message-delivered">訊息已送達事件</a></p></td></tr><tr class="row_4"><td><p><code>message_echoes</code></p></td><td><p>訂閱<a href="/docs/messenger-platform/webhook-reference/message-echo">訊息回應事件</a></p></td></tr><tr class="row_5 _5m29"><td><p><code>messaging_game_plays</code></p></td><td><p>訂閱<a href="/docs/messenger-platform/reference/webhook-events/messaging_game_plays/">即時遊戲事件</a></p></td></tr><tr class="row_6"><td><p><code>messaging_handovers</code>（測試版）</p></td><td><p>訂閱 <a href="/docs/messenger-platform/reference/webhook-events/messaging_handovers">Handover Protocol 事件</a></p></td></tr><tr class="row_7 _5m29"><td><p><code>messaging_optins</code></p></td><td><p>訂閱<a href="/docs/messenger-platform/reference/webhook-events/messaging_optins">附加程式啟用事件</a></p></td></tr><tr class="row_8"><td><p><code>messaging_payments</code>（測試版）</p></td><td><p>訂閱<a href="/docs/messenger-platform/webhook-reference/payment">付款事件</a></p></td></tr><tr class="row_9 _5m29"><td><p><code>messaging_policy_enforcement</code></p></td><td><p>訂閱<a href="/docs/messenger-platform/webhook-reference/policy-enforcement">政策執行事件</a></p></td></tr><tr class="row_10"><td><p><code>messaging_postbacks</code></p></td><td><p>訂閱<a href="/docs/messenger-platform/webhook-reference/postback-received">回傳已接收事件</a></p></td></tr><tr class="row_11 _5m29"><td><p><code>messaging_pre_checkouts</code>（測試版）</p></td><td><p>訂閱<a href="/docs/messenger-platform/reference/webhook-events/messaging_pre_checkouts">付款預先結帳事件</a></p></td></tr><tr class="row_12"><td><p><code>message_reads</code></p></td><td><p>訂閱<a href="/docs/messenger-platform/webhook-reference/message-read">訊息已讀取事件</a></p></td></tr><tr class="row_13 _5m29"><td><p><code>messaging_referrals</code></p></td><td><p>訂閱<a href="/docs/messenger-platform/webhook-reference/referral">轉介事件</a></p></td></tr><tr class="row_14"><td><p><code>standby</code>（測試版）</p></td><td><p>訂閱 <a href="/docs/messenger-platform/reference/webhook-events/standby">Handover Protocol 備用渠道事件</a></p></td></tr></tbody></table></div></div></div></div><div class="_4-u2 _57mb _1u44 _3fw6 _4-u8"><div class="_4-u3 _588p"><h2>連結您的應用程式</h2><p>您需要將 Webhooks 應用程式連結至自家專頁，並為專頁訂閱您想接收的 Webhooks 通知。</p><h3>新增應用程式</h3><p>您可透過以下路徑將應用程式連結至專頁：<a href="https://business.facebook.com/" target="_blank"><b>Meta Business Suite > 所有工具 > 商業應用程式</b><img class="img" src="https://scontent-hkg1-2.xx.fbcdn.net/v/t39.2365-6/310307727_3347317042262105_1088877051262827250_n.png?_nc_cat=107&ccb=1-7&_nc_sid=e280be&_nc_ohc=tsV24nNPbu0Q7kNvgEofBoC&_nc_zt=14&_nc_ht=scontent-hkg1-2.xx&_nc_gid=Aww_eUYpwNwFms04Dio2Xf4&oh=00_AYB-1kOtJJ5VKG6V4nCmYZjJu629MGGcOSE6kGZqjaQaHg&oe=675C5762" width="10px" alt="" /></a></p><p><strong>備註：</strong>您需要為企業的所有訊息應用程式訂閱訊息 Webhooks。</p><h3>為您的專頁訂閱</h3><p>您需要為自家專頁訂閱您想接收的 Webhooks 通知。</p><h4>必要條件</h4><ul class="uiList _4of _4kg"><li><div class="fcb"> 專頁存取憑證，由可以在所查詢的專頁上執行 <a href="/docs/pages/overview#tasks" target="_blank"><code>MODERATE</code> 任務</a>的用戶所要求 </div></li><li><div class="fcb"><a href="https://developers.facebook.com/docs/pages/overview/permissions-features#permission-dependencies"><code>pages_messaging</code> 和 <code>pages_manage_metadata</code> 權限</a></div></li></ul><p>如要訂閱 Webhooks 欄位，請使用專頁的存取憑證向專頁的 <a href="/docs/graph-api/reference/page/subscribed_apps">subscribed_apps</a> 關係連線傳送一則 <code>POST</code> 要求。</p><pre class="_5s-8 prettyprint lang-curl" style="">curl -i -X POST "https://graph.facebook.com/PAGE-ID/subscribed_apps ?subscribed_fields=messages &access_token=PAGE-ACCESS-TOKEN"</pre><h4>回應範例</h4><pre class="_5s-8 prettyprint lang-json" style="">{ "success": "true" }</pre><p>如要查看您的專頁安裝了哪款應用程式，請改為傳送 <code>GET</code> 要求：</p><h4>要求範例</h4><pre class="_5s-8 prettyprint lang-curl" style="">curl -i -X GET "https://graph.facebook.com/PAGE-ID/subscribed_apps &access_token=PAGE-ACCESS-TOKEN"</pre><h4>回應範例</h4><pre class="_5s-8 prettyprint lang-json" style="">{ "data": [ { "category": "Business", "link": "https://my-clever-domain-name.com/app", "name": "My Sample App", "id": "APP-ID" "subscribed_fields": [ "messages" ] } ] }</pre><p>如果您的專頁未安裝任何應用程式，API 將傳回空白資料組合。</p><h4>Graph API 測試工具</h4><div style="margin-bottom:15px"></div><p>您也可以使用 <a href="/tools/explorer" target="_blank"> Graph API 測試工具 <img class="img" src="https://scontent-hkg1-2.xx.fbcdn.net/v/t39.2365-6/310307727_3347317042262105_1088877051262827250_n.png?_nc_cat=107&ccb=1-7&_nc_sid=e280be&_nc_ohc=tsV24nNPbu0Q7kNvgEofBoC&_nc_zt=14&_nc_ht=scontent-hkg1-2.xx&_nc_gid=Aww_eUYpwNwFms04Dio2Xf4&oh=00_AYB-1kOtJJ5VKG6V4nCmYZjJu629MGGcOSE6kGZqjaQaHg&oe=675C5762" width="10px" alt="" /></a>來傳送要求，為您的專頁訂閱 Webhooks 欄位。 </p><ol><li>在<strong>應用程式</strong>下拉式選單中選擇您的應用程式。 </li><li>點擊<strong>取得憑證</strong>下拉式選單，選擇<strong>取得用戶存取憑證</strong>，然後選擇 <code>pages_manage_metadata</code> 權限。這會將您的應用程式憑證換取為獲授予 <code>pages_manage_metadata</code> 權限的用戶存取憑證。</li><li>再次點擊「<strong>取得憑證</strong>」，然後選擇您的專頁。這會將您的用戶存取憑證換取為專頁存取憑證。</li><li>點擊 <code>GET</code> 下拉式選單，然後選擇 <code>POST</code>，即可更改操作方式。</li><li>將預設的 <code>me?fields=id,name</code> 查詢替換為專頁的<strong>編號</strong>（接著是 <code>/subscribed_apps</code>），然後提交查詢。 </li></ol></div></div><div class="_4-u2 _57mb _1u44 _3fw6 _4-u8"><div class="_4-u3 _588p"><h2>存取權限要求</h2><p>如要接收來自擁有應用程式角色之用戶（如應用程式管理員、開發人員和測試人員）的通知，您的應用程式僅需要<strong>一般存取權限</strong>。如要接收來自顧客（即沒有應用程式角色的用戶）的通知，您的應用程式需要<strong>進階存取權限</strong>。</p><p>進一步了解<a href="https://developers.facebook.com/docs/graph-api/overview/access-levels" target="_blank">一般存取權限和進階存取權限<img class="img" src="https://scontent-hkg1-2.xx.fbcdn.net/v/t39.2365-6/310307727_3347317042262105_1088877051262827250_n.png?_nc_cat=107&ccb=1-7&_nc_sid=e280be&_nc_ohc=tsV24nNPbu0Q7kNvgEofBoC&_nc_zt=14&_nc_ht=scontent-hkg1-2.xx&_nc_gid=Aww_eUYpwNwFms04Dio2Xf4&oh=00_AYB-1kOtJJ5VKG6V4nCmYZjJu629MGGcOSE6kGZqjaQaHg&oe=675C5762" width="10px" alt="" /></a>、使用每種權限可以存取的資料以及執行要求。 </p></div></div><div class="_4-u2 _57mb _1u44 _3fw6 _4-u8"><div class="_4-u3 _588p"><h2>後續步驟</h2><li><a href="https://developers.facebook.com/docs/messenger-platform/get-started/">傳送測試消息</a>：了解如何使用平台傳送訊息。 </li><li><a href="https://developers.facebook.com/docs/messenger-platform/getting-started/sample-experience" target="_blank">瀏覽我們的應用程式範例<img class="img" src="https://scontent-hkg1-2.xx.fbcdn.net/v/t39.2365-6/310307727_3347317042262105_1088877051262827250_n.png?_nc_cat=107&ccb=1-7&_nc_sid=e280be&_nc_ohc=tsV24nNPbu0Q7kNvgEofBoC&_nc_zt=14&_nc_ht=scontent-hkg1-2.xx&_nc_gid=Aww_eUYpwNwFms04Dio2Xf4&oh=00_AYB-1kOtJJ5VKG6V4nCmYZjJu629MGGcOSE6kGZqjaQaHg&oe=675C5762" width="10px" alt="" /></a>：下載應用程式範例的程式碼，進一步了解 Messenger 平台提供的功能。 </li></div></div><div class="_4-u2 _57mb _1u44 _3fw6 _4-u8"><div class="_4-u3 _588p"><h2>另請參閱</h2><ul class="uiList _4of _4kg"><li><div class="fcb">了解如何使用 <a href="https://developers.facebook.com/docs/messenger-platform/handover-protocol/#subscribe-to-webhook-events">Messenger 交接通訊協定</a>，在對話從一個應用程式傳遞到另一個應用程式時取得通知</div></li><li><div class="fcb">深入了解 <a href="https://developers.facebook.com/docs/graph-api/webhooks">Graph API 專用的 Meta Webhooks</a></div></li></ul></div></div></div></span><div class="_4-u2 _57mb _1u44 _4-u8"><div class="_4-u3 _588p _4_k"><fb:like href="https://developers.facebook.com/docs/messenger-platform/webhooks/" layout="button_count" share="1"></fb:like></div></div><div id="developer_documentation_toolbar" data-referrer="developer_documentation_toolbar" data-click-area="toolbar"></div><script nonce="V12joMgD"> !function(f,b,e,v,n,t,s){if(f.fbq)return;n=f.fbq=function(){n.callMethod? n.callMethod.apply(n,arguments):n.queue.push(arguments)};if(!f._fbq)f._fbq=n; n.push=n;n.loaded=!0;n.version='2.0';n.queue=[];t=b.createElement(e);t.async=!0; t.src=v;s=b.getElementsByTagName(e)[0];s.parentNode.insertBefore(t,s)}(window, document,'script','https://connect.facebook.net/en_US/fbevents.js'); fbq('init', '675141479195042'); fbq('track', "PageView");fbq('track', "PageView");</script><noscript><img height="1" width="1" style="display:none" 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