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Mit dem erweiterten Gmail-Dienst können Sie die Gmail API in Apps Script verwenden. Ähnlich wie beim integrierten Gmail-Dienst von Apps Script können mit dieser API Threads, Nachrichten und Labels in einem Gmail-Postfach gesucht und geändert werden. In den meisten Fällen ist der integrierte Dienst einfacher zu verwenden. Dieser erweiterte Dienst bietet jedoch einige zusätzliche Funktionen und Zugriff auf detailliertere Informationen zu Gmail-Inhalten.
Referenz
Ausführliche Informationen zu diesem Dienst finden Sie in der Referenzdokumentation zur Gmail API.
Wie alle erweiterten Dienste in Apps Script verwendet der erweiterte Gmail-Dienst dieselben Objekte, Methoden und Parameter wie die öffentliche API. Weitere Informationen finden Sie unter Methodensignaturen ermitteln.
Wenn Sie Probleme melden oder weitere Unterstützung erhalten möchten, lesen Sie den Gmail-Supportleitfaden.
Beispielcode
Im folgenden Beispielcode wird Version 1 der API verwendet.
Labelinformationen auflisten
Das folgende Beispiel zeigt, wie Sie alle Labelinformationen des Nutzers auflisten.
Dazu gehören der Labelname, der Typ, die ID und die Sichtbarkeitseinstellungen.
/** * Lists the user's labels, including name, type, * ID and visibility information. */functionlistLabelInfo(){try{constresponse=Gmail.Users.Labels.list('me');for(leti=0;i < response.labels.length;i++){constlabel=response.labels[i];console.log(JSON.stringify(label));}}catch(err){console.log(err);}}
Posteingangs-Snippets auflisten
Im folgenden Beispiel wird gezeigt, wie Sie Text-Snippets auflisten, die mit den einzelnen Threads im Posteingang des Nutzers verknüpft sind. Beachten Sie die Verwendung von Seitentokens für den Zugriff auf die vollständige Liste der Ergebnisse.
/** * Lists, for each thread in the user's Inbox, a * snippet associated with that thread. */functionlistInboxSnippets(){try{letpageToken;do{constthreadList=Gmail.Users.Threads.list('me',{q:'label:inbox',pageToken:pageToken});if(threadList.threads && threadList.threads.length > 0){threadList.threads.forEach(function(thread){console.log('Snippet: %s',thread.snippet);});}pageToken=threadList.nextPageToken;}while(pageToken);}catch(err){console.log(err);}}
Letzten Verlauf auflisten
Das folgende Beispiel zeigt, wie der Verlauf der letzten Aktivitäten protokolliert wird.
In diesem Beispiel wird die Verlaufsdatensatz-ID der zuletzt gesendeten Nachricht des Nutzers abgerufen und dann die Nachrichten-IDs aller Nachrichten protokolliert, die sich seitdem geändert haben. Jede geänderte Nachricht wird nur einmal protokolliert, unabhängig davon, wie viele Änderungsereignisse in den Verlaufsdatensätzen enthalten sind. Beachten Sie die Verwendung von Seitentokens, um auf die vollständige Liste der Ergebnisse zuzugreifen.
/** * Gets a history record ID associated with the most * recently sent message, then logs all the message IDs * that have changed since that message was sent. */functionlogRecentHistory(){try{// Get the history ID associated with the most recent// sent message.constsent=Gmail.Users.Threads.list('me',{q:'label:sent',maxResults:1});if(!sent.threads||!sent.threads[0]){console.log('No sent threads found.');return;}consthistoryId=sent.threads[0].historyId;// Log the ID of each message changed since the most// recent message was sent.letpageToken;constchanged=[];do{constrecordList=Gmail.Users.History.list('me',{startHistoryId:historyId,pageToken:pageToken});consthistory=recordList.history;if(history && history.length > 0){history.forEach(function(record){record.messages.forEach(function(message){if(changed.indexOf(message.id)===-1){changed.push(message.id);}});});}pageToken=recordList.nextPageToken;}while(pageToken);changed.forEach(function(id){console.log('Message Changed: %s',id);});}catch(err){console.log(err);}}
Nachrichten auflisten
Das folgende Beispiel zeigt, wie die ungelesenen Nachrichten des Gmail-Nutzers aufgelistet werden.
/** * Lists unread messages in the user's inbox using the advanced Gmail service. */functionlistMessages(){// The special value 'me' indicates the authenticated user.constuserId='me';// Define optional parameters for the request.constoptions={maxResults:10,// Limit the number of messages returned.q:'is:unread',// Search for unread messages.};try{// Call the Gmail.Users.Messages.list method.constresponse=Gmail.Users.Messages.list(userId,options);constmessages=response.messages;console.log('Unread Messages:');for(constmessageofmessages){console.log(`- Message ID: ${message.id}`);}}catch(err){// Log any errors to the Apps Script execution log.console.log(`Failed with error: ${err.message}`);}}
[null,null,["Zuletzt aktualisiert: 2025-08-31 (UTC)."],[[["\u003cp\u003eThe Advanced Gmail service in Apps Script lets you use the Gmail API to interact with your mailbox, offering more features than the built-in service.\u003c/p\u003e\n"],["\u003cp\u003eThis advanced service requires enabling before use and provides access to detailed information about threads, messages, and labels.\u003c/p\u003e\n"],["\u003cp\u003eYou can utilize the provided sample code snippets to list label information, inbox snippets, and recent history within your Gmail account.\u003c/p\u003e\n"],["\u003cp\u003eThe Gmail API might limit data returned in list requests for performance, requiring follow-up 'get' requests for detailed information.\u003c/p\u003e\n"],["\u003cp\u003eFor comprehensive details, refer to the reference documentation, support guide, and sample code on GitHub.\u003c/p\u003e\n"]]],[],null,["# Advanced Gmail Service\n\nThe Advanced Gmail service allows you to use the [Gmail API](/gmail/api) in\nApps Script. Much like Apps Script's [built-in Gmail service](/apps-script/reference/gmail),\nthis API allows scripts to find and modify threads, messages, and labels in a\nGmail mailbox. In most cases, the built-in service is easier to use, but this\nadvanced service provides a few extra features and access to more detailed\ninformation about Gmail content.\n| **Note:** This is an advanced service that must be [enabled before use](/apps-script/guides/services/advanced).\n\nReference\n---------\n\nFor detailed information on this service, see the\n[reference documentation](/gmail/api/v1/reference) for the Gmail API.\nLike all advanced services in Apps Script, the advanced Gmail service uses the\nsame objects, methods, and parameters as the public API. For more information, see [How method signatures are determined](/apps-script/guides/services/advanced#how_method_signatures_are_determined).\n| **Note:** To improve performance, the Gmail API often restricts the amount of information returned from `list` requests to thread, message or label IDs and other simple information. More detailed information about a particular thread, message or label can be obtained by issuing a follow-up `get` request using the associated ID.\n\nTo report issues and find other support, see the\n[Gmail support guide](/gmail/api/support).\n\nSample code\n-----------\n\nThe sample code below uses [version 1](/gmail/api/v1/reference) of the API.\n\n### List label information\n\nThe following example demonstrates how to list all the user's label information.\nThis includes the label name, type, ID and visibility settings. \nadvanced/gmail.gs \n[View on GitHub](https://github.com/googleworkspace/apps-script-samples/blob/main/advanced/gmail.gs) \n\n```javascript\n/**\n * Lists the user's labels, including name, type,\n * ID and visibility information.\n */\nfunction listLabelInfo() {\n try {\n const response =\n Gmail.Users.Labels.list('me');\n for (let i = 0; i \u003c response.labels.length; i++) {\n const label = response.labels[i];\n console.log(JSON.stringify(label));\n }\n } catch (err) {\n console.log(err);\n }\n}\n```\n\n### List inbox snippets\n\nThe following example demonstrates how to list text snippets associated with\neach thread in the user's Inbox. Notice the use of page tokens to access the\nfull list of results. \nadvanced/gmail.gs \n[View on GitHub](https://github.com/googleworkspace/apps-script-samples/blob/main/advanced/gmail.gs) \n\n```javascript\n/**\n * Lists, for each thread in the user's Inbox, a\n * snippet associated with that thread.\n */\nfunction listInboxSnippets() {\n try {\n let pageToken;\n do {\n const threadList = Gmail.Users.Threads.list('me', {\n q: 'label:inbox',\n pageToken: pageToken\n });\n if (threadList.threads && threadList.threads.length \u003e 0) {\n threadList.threads.forEach(function (thread) {\n console.log('Snippet: %s', thread.snippet);\n });\n }\n pageToken = threadList.nextPageToken;\n } while (pageToken);\n } catch (err) {\n console.log(err);\n }\n}\n```\n\n### List recent history\n\nThe following example demonstrates how to log recent activity history.\nSpecifically, this example recovers the history record ID associated with the\nuser's most recently sent message, and then logs the message IDs of every\nmessage that has changed since that time. Each changed message is only logged\nonce, no matter how many change events are in the history records. Notice the\nuse of page tokens to access the full list of results. \nadvanced/gmail.gs \n[View on GitHub](https://github.com/googleworkspace/apps-script-samples/blob/main/advanced/gmail.gs) \n\n```javascript\n/**\n * Gets a history record ID associated with the most\n * recently sent message, then logs all the message IDs\n * that have changed since that message was sent.\n */\nfunction logRecentHistory() {\n try {\n // Get the history ID associated with the most recent\n // sent message.\n const sent = Gmail.Users.Threads.list('me', {\n q: 'label:sent',\n maxResults: 1\n });\n if (!sent.threads || !sent.threads[0]) {\n console.log('No sent threads found.');\n return;\n }\n const historyId = sent.threads[0].historyId;\n\n // Log the ID of each message changed since the most\n // recent message was sent.\n let pageToken;\n const changed = [];\n do {\n const recordList = Gmail.Users.History.list('me', {\n startHistoryId: historyId,\n pageToken: pageToken\n });\n const history = recordList.history;\n if (history && history.length \u003e 0) {\n history.forEach(function (record) {\n record.messages.forEach(function (message) {\n if (changed.indexOf(message.id) === -1) {\n changed.push(message.id);\n }\n });\n });\n }\n pageToken = recordList.nextPageToken;\n } while (pageToken);\n\n changed.forEach(function (id) {\n console.log('Message Changed: %s', id);\n });\n } catch (err) {\n console.log(err);\n }\n}\n```\n\n### List messages\n\nThe following example demonstrates how to list the Gmail user's\nunread messages. \nadvanced/gmail.gs \n[View on GitHub](https://github.com/googleworkspace/apps-script-samples/blob/main/advanced/gmail.gs) \n\n```javascript\n/**\n * Lists unread messages in the user's inbox using the advanced Gmail service.\n */\nfunction listMessages() {\n // The special value 'me' indicates the authenticated user.\n const userId = 'me';\n\n // Define optional parameters for the request.\n const options = {\n maxResults: 10, // Limit the number of messages returned.\n q: 'is:unread', // Search for unread messages.\n };\n\n try {\n // Call the Gmail.Users.Messages.list method.\n const response = Gmail.Users.Messages.list(userId, options);\n const messages = response.messages;\n console.log('Unread Messages:');\n\n for (const message of messages) {\n console.log(`- Message ID: ${message.id}`);\n }\n } catch (err) {\n // Log any errors to the Apps Script execution log.\n console.log(`Failed with error: ${err.message}`);\n }\n}\n```"]]