When paginating, all other parameters provided to CollectionService.ListCollections must match the call that provided the page token.
filter
string
Filter returned collections by associated data connector data sources. For example: filter = 'dataSource:jira confluence'. If the filter is empty, we return all collections under a project and location.
[[["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 API endpoint retrieves a list of Collections within a specified project and location using a \u003ccode\u003eGET\u003c/code\u003e request.\u003c/p\u003e\n"],["\u003cp\u003eThe request requires the \u003ccode\u003eparent\u003c/code\u003e path parameter, specifying the project and location, and supports optional \u003ccode\u003epageSize\u003c/code\u003e, \u003ccode\u003epageToken\u003c/code\u003e, and \u003ccode\u003efilter\u003c/code\u003e query parameters to manage the collection retrieval.\u003c/p\u003e\n"],["\u003cp\u003eThe request body for listing collections must be empty, and the maximum allowed value for the page size is 1000, any other value above it will default to 1000.\u003c/p\u003e\n"],["\u003cp\u003eThe response includes an array of \u003ccode\u003eCollection\u003c/code\u003e objects and an optional \u003ccode\u003enextPageToken\u003c/code\u003e for pagination, if there is no \u003ccode\u003enextPageToken\u003c/code\u003e it means that there are no more subsequent pages of data to show.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization requires the \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e OAuth scope and the \u003ccode\u003ediscoveryengine.collections.list\u003c/code\u003e IAM permission on the \u003ccode\u003eparent\u003c/code\u003e resource.\u003c/p\u003e\n"]]],[],null,[]]