This method doesn't work with Google Assistant integration. Contact Dialogflow support if you need to use session entities with Google Assistant integration.
Required. The unique identifier of this session entity type. Format: projects/<Project ID>/agent/sessions/<Session ID>/entityTypes/<Entity Type
Display Name>, or projects/<Project ID>/agent/environments/<Environment
ID>/users/<User ID>/sessions/<Session ID>/entityTypes/<Entity Type Display
Name>. If Environment ID is not specified, we assume default 'draft' environment. If User ID is not specified, we assume default '-' user.
<Entity Type Display Name> must be the display name of an existing entity type in the same agent that will be overridden or supplemented.
[[["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 webpage details how to update a specified session entity type using a PATCH HTTP request.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003esessionEntityType.name\u003c/code\u003e parameter is required and defines the unique identifier for the session entity type, specifying the project, session, and entity type.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eupdateMask\u003c/code\u003e query parameter is optional and allows control over which specific fields are updated, using a comma-separated list of fully qualified field names.\u003c/p\u003e\n"],["\u003cp\u003eBoth the request and response bodies are structured as instances of \u003ccode\u003eSessionEntityType\u003c/code\u003e, which is a data structure used by Dialogflow.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization to perform this action requires either the \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e or \u003ccode\u003ehttps://www.googleapis.com/auth/dialogflow\u003c/code\u003e OAuth scopes.\u003c/p\u003e\n"]]],[],null,["# Method: projects.agent.sessions.entityTypes.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- [Try it!](#try-it)\n\nUpdates the specified session entity type.\n\nThis method doesn't work with Google Assistant integration. Contact Dialogflow support if you need to use session entities with Google Assistant integration.\n\n### HTTP request\n\n`PATCH https://{endpoint}/v2/{sessionEntityType.name=projects/*/agent/sessions/*/entityTypes/*}`\n\nWhere `{endpoint}` is one of the [supported service endpoints](/dialogflow/es/docs/reference/rest#rest_endpoints).\n\nThe URLs use [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 [SessionEntityType](/dialogflow/es/docs/reference/rest/v2/projects.agent.environments.users.sessions.entityTypes#SessionEntityType).\n\n### Response body\n\nIf successful, the response body contains an instance of [SessionEntityType](/dialogflow/es/docs/reference/rest/v2/projects.agent.environments.users.sessions.entityTypes#SessionEntityType).\n\n### Authorization scopes\n\nRequires one of the following OAuth scopes:\n\n- `https://www.googleapis.com/auth/cloud-platform`\n- `\n https://www.googleapis.com/auth/dialogflow`\n\nFor more information, see the [Authentication Overview](/docs/authentication#authorization-gcp)."]]
