Required. The data store resource name. Format: projects/{project}/locations/{location}/collections/{collectionId}/dataStores/{dataStoreId} or projects/{project}/locations/{location}/collections/{collectionId}/engines/{engineId}.
Query parameters
Parameters
pageSize
integer
Optional. Maximum number of results to return. If unspecified, defaults to 50. Max allowed value is 1000.
pageToken
string
Optional. A page token, received from a previous controls.list call. Provide this to retrieve the subsequent page.
filter
string
Optional. A filter to apply on the list results. Supported features:
List all the products under the parent branch if filter is unset. Currently this field is unsupported.
[[["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 page details how to list Controls associated with a specified DataStore or Engine using the Discovery Engine API.\u003c/p\u003e\n"],["\u003cp\u003eThe HTTP request is a \u003ccode\u003eGET\u003c/code\u003e method targeting a specific URL with a required \u003ccode\u003eparent\u003c/code\u003e path parameter, which specifies the DataStore or Engine resource.\u003c/p\u003e\n"],["\u003cp\u003eOptional query parameters \u003ccode\u003epageSize\u003c/code\u003e, \u003ccode\u003epageToken\u003c/code\u003e, and \u003ccode\u003efilter\u003c/code\u003e are available to manage the number of results and refine the list, however \u003ccode\u003efilter\u003c/code\u003e is currently unsupported.\u003c/p\u003e\n"],["\u003cp\u003eSuccessful responses return a \u003ccode\u003eListControlsResponse\u003c/code\u003e, and the request body must be empty.\u003c/p\u003e\n"],["\u003cp\u003eAccess requires the OAuth scope \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e and the \u003ccode\u003ediscoveryengine.controls.list\u003c/code\u003e IAM permission.\u003c/p\u003e\n"]]],[],null,["# Method: projects.locations.collections.engines.controls.list\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\nLists all Controls by their parent [DataStore](/generative-ai-app-builder/docs/reference/rest/v1beta/projects.locations.collections.dataStores#DataStore).\n\n### HTTP request\n\n`GET https://discoveryengine.googleapis.com/v1beta/{parent=projects/*/locations/*/collections/*/engines/*}/controls`\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 must be empty.\n\n### Response body\n\nIf successful, the response body contains an instance of [ListControlsResponse](/generative-ai-app-builder/docs/reference/rest/v1beta/ListControlsResponse).\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 `parent` resource:\n\n- `discoveryengine.controls.list`\n\nFor more information, see the [IAM documentation](https://cloud.google.com/iam/docs)."]]
