[[["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."],[],[],null,["# Method: trials.list\n\n**Full name**: projects.locations.studies.trials.list\n\nLists the Trials associated with a Study. \n\n### Endpoint\n\nget `https:``/``/{service-endpoint}``/v1beta1``/{parent}``/trials` \nWhere `{service-endpoint}` is one of the [supported service endpoints](/vertex-ai/docs/reference/rest#rest_endpoints).\n\n### Path parameters\n\n`parent` `string` \nRequired. The resource name of the Study to list the Trial from. Format: `projects/{project}/locations/{location}/studies/{study}`\n\n### Query parameters\n\n`pageToken` `string` \nOptional. A page token to request the next page of results. If unspecified, there are no subsequent pages.\n`pageSize` `integer` \nOptional. The number of Trials to retrieve per \"page\" of results. If unspecified, the service will pick an appropriate default.\n\n### Request body\n\nThe request body must be empty. \n\n### Response body\n\nResponse message for [VizierService.ListTrials](/vertex-ai/docs/reference/rest/v1beta1/projects.locations.studies.trials/list#google.cloud.aiplatform.v1beta1.VizierService.ListTrials).\n\nIf successful, the response body contains data with the following structure:\nFields `trials[]` `object (`[Trial](/vertex-ai/docs/reference/rest/v1beta1/projects.locations.studies.trials#Trial)`)` \nThe Trials associated with the Study.\n`nextPageToken` `string` \nPass this token as the `pageToken` field of the request for a subsequent call. If this field is omitted, there are no subsequent pages."]]
