Immutable. The full resource name of the schema, in the format of projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}/schemas/{schema}.
This field must be a UTF-8 encoded string with a length limit of 1024 characters.
Query parameters
Parameters
allowMissing
boolean
If set to true, and the Schema is not found, a new Schema is created. In this situation, updateMask is ignored.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-06-27 UTC."],[[["\u003cp\u003eThis document describes how to update a Schema using a PATCH HTTP request.\u003c/p\u003e\n"],["\u003cp\u003eThe request URL follows gRPC Transcoding syntax and includes a \u003ccode\u003eschema.name\u003c/code\u003e path parameter, formatted as \u003ccode\u003eprojects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}/schemas/{schema}\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eAn \u003ccode\u003eallowMissing\u003c/code\u003e query parameter is available, allowing for the creation of a new Schema if one is not found.\u003c/p\u003e\n"],["\u003cp\u003eThe request body should contain an instance of a Schema, and a successful response will contain an instance of an Operation.\u003c/p\u003e\n"],["\u003cp\u003eUpdating a schema requires the \u003ccode\u003ediscoveryengine.schemas.update\u003c/code\u003e IAM permission and the \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e OAuth scope.\u003c/p\u003e\n"]]],[],null,["# Method: projects.locations.collections.dataStores.schemas.patch\n\n- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Query parameters](#body.QUERY_PARAMETERS)\n- [Request body](#body.request_body)\n- [Response body](#body.response_body)\n- [Authorization scopes](#body.aspect)\n- [IAM Permissions](#body.aspect_1)\n\nUpdates a [Schema](/generative-ai-app-builder/docs/reference/rest/v1beta/projects.locations.collections.dataStores.schemas#Schema).\n\n### HTTP request\n\n`PATCH https://discoveryengine.googleapis.com/v1beta/{schema.name=projects/*/locations/*/collections/*/dataStores/*/schemas/*}`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\n### Path parameters\n\n### Query parameters\n\n### Request body\n\nThe request body contains an instance of [Schema](/generative-ai-app-builder/docs/reference/rest/v1beta/projects.locations.collections.dataStores.schemas#Schema).\n\n### Response body\n\nIf successful, the response body contains an instance of [Operation](/generative-ai-app-builder/docs/reference/rest/Shared.Types/ListOperationsResponse#Operation).\n\n### Authorization scopes\n\nRequires the following OAuth scope:\n\n- `https://www.googleapis.com/auth/cloud-platform`\n\nFor more information, see the [Authentication Overview](/docs/authentication#authorization-gcp).\n\n### IAM Permissions\n\nRequires the following [IAM](https://cloud.google.com/iam/docs) permission on the `name` resource:\n\n- `discoveryengine.schemas.update`\n\nFor more information, see the [IAM documentation](https://cloud.google.com/iam/docs)."]]
