使用自動產生的 ID 建立 Firestore 文件參考資料 (非同步)
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使用自動產生的 ID 建立 Firestore 文件參考資料 (非同步)。
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[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis code demonstrates how to create a new Firestore document reference with an automatically generated ID using the \u003ccode\u003edocument()\u003c/code\u003e method.\u003c/p\u003e\n"],["\u003cp\u003eThe example utilizes asynchronous operations with \u003ccode\u003eawait\u003c/code\u003e to set data in the newly created document reference.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication to Firestore is required, and Application Default Credentials are recommended for local development.\u003c/p\u003e\n"],["\u003cp\u003eThe full documentation on managing data and adding data in Firestore can be accessed via the provided links.\u003c/p\u003e\n"]]],[],null,["# Create a Firestore document reference with an autogenerated id (async).\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Add and update data](/firestore/native/docs/manage-data/add-data)\n- [Add data to Cloud Firestore](https://firebase.google.com/docs/firestore/manage-data/add-data)\n\nCode sample\n-----------\n\n### Python\n\n\nTo authenticate to Firestore, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n new_city_ref = db.collection(\"cities\").document()\n\n # later...\n await new_city_ref.set(\n {\n # ...\n }\n )\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=firestore)."]]