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."],[[["This endpoint updates a specified session entity type, which is not compatible with Google Assistant integration."],["The HTTP request uses a PATCH method directed to a URL that includes the session entity type's unique identifier and requires the selection of a supported service endpoint."],["Path parameters, notably `sessionEntityType.name`, are essential to specify the exact session entity type to be updated, following a strict format of either session or user level."],["Query parameters can include an optional `updateMask` to specify which fields should be updated using a comma-separated list."],["Both the request and response bodies, on success, are instances of `SessionEntityType`, and authorization requires specific OAuth scopes."]]],[]]
