Firestore-Sammlungsreferenz erstellen
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Firestore-Sammlungsreferenz erstellen
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Codebeispiel
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[[["Leicht verständlich","easyToUnderstand","thumb-up"],["Mein Problem wurde gelöst","solvedMyProblem","thumb-up"],["Sonstiges","otherUp","thumb-up"]],[["Schwer verständlich","hardToUnderstand","thumb-down"],["Informationen oder Beispielcode falsch","incorrectInformationOrSampleCode","thumb-down"],["Benötigte Informationen/Beispiele nicht gefunden","missingTheInformationSamplesINeed","thumb-down"],["Problem mit der Übersetzung","translationIssue","thumb-down"],["Sonstiges","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis page demonstrates how to create a Firestore collection reference using code samples in C#, Go, Java, Node.js, PHP, Python, and Ruby.\u003c/p\u003e\n"],["\u003cp\u003eAll code samples use the "users" collection as an example for creating a collection reference.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication to Firestore requires setting up Application Default Credentials, as highlighted across all language examples.\u003c/p\u003e\n"],["\u003cp\u003eFurther details on the Cloud Firestore Data model can be found in the provided documentation links.\u003c/p\u003e\n"]]],[],null,["# Create a Firestore collection reference\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Cloud Firestore Data model](https://firebase.google.com/docs/firestore/data-model)\n- [Data model](/firestore/native/docs/data-model)\n\nCode sample\n-----------\n\n### C#\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 CollectionReference collectionRef = db.Collection(\"users\");\n\n### Go\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\n import (\n \t\"cloud.google.com/go/firestore\"\n )\n\n func createCollectionReference(client *firestore.Client) {\n \tusersRef := client.Collection(\"users\")\n\n \t_ = usersRef\n }\n\n### Java\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 // Reference to the collection \"users\"\n CollectionReference collection = db.collection(\"users\");\n\n### Node.js\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 const usersCollectionRef = db.collection('users');\n\n### PHP\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 $collection = $db-\u003ecollection('samples/php/users');\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 users_ref = db.collection(\"users\")\n\n### Ruby\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 collection_ref = firestore.col \"users\"\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)."]]
