Required. The parent, which owns this collection of ObservationSources. Format: projects/{project}/locations/{location}
Query parameters
Parameters
pageSize
integer
Optional. The maximum number of ObservationSources to return. The service may return fewer than this value. If unspecified, at most 10 ObservationSources will be returned. The maximum value is 1000; values above 1000 will be coerced to 1000.
pageToken
string
Optional. A page token, received from a previous observationSources.list call. Provide this to retrieve the subsequent page.
When paginating, all other parameters provided to observationSources.list must match the call that provided the page token.
Request body
The request body must be empty.
Response body
Message for response to listing ObservationSources
If successful, the response body contains data with the following structure:
[[["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 2025-07-28 UTC."],[[["\u003cp\u003eThis API endpoint \u003ccode\u003eobservationSources.list\u003c/code\u003e retrieves all ObservationSources for a specified project and location using a GET request.\u003c/p\u003e\n"],["\u003cp\u003eThe request URL utilizes gRPC Transcoding syntax and requires a \u003ccode\u003eparent\u003c/code\u003e path parameter indicating the project and location in the format \u003ccode\u003eprojects/*/locations/*\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eOptional query parameters \u003ccode\u003epageSize\u003c/code\u003e (defaulting to 10, max 1000) and \u003ccode\u003epageToken\u003c/code\u003e (for pagination) can be used to manage the list of ObservationSources returned.\u003c/p\u003e\n"],["\u003cp\u003eThe request body must be empty, while the response body contains an array of \u003ccode\u003eobservationSources\u003c/code\u003e, a \u003ccode\u003enextPageToken\u003c/code\u003e for pagination, and an array of \u003ccode\u003eunreachable\u003c/code\u003e locations.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization for this API call requires the OAuth scope \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e and the IAM permission \u003ccode\u003eapim.observationSources.list\u003c/code\u003e on the parent resource.\u003c/p\u003e\n"]]],[],null,["# Method: projects.locations.observationSources.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 - [JSON representation](#body.ListObservationSourcesResponse.SCHEMA_REPRESENTATION)\n- [Authorization scopes](#body.aspect)\n- [IAM Permissions](#body.aspect_1)\n\nobservationSources.list gets all ObservationSources for a given project and location.\n\n### HTTP request\n\n`GET https://apim.googleapis.com/v1alpha/{parent=projects/*/locations/*}/observationSources`\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\nMessage for response to listing ObservationSources\n\nIf successful, the response body contains data with the following structure:\n\n### Authorization scopes\n\nRequires the following OAuth scope:\n\n- `https://www.googleapis.com/auth/cloud-platform`\n\n### IAM Permissions\n\nRequires the following [IAM](https://cloud.google.com/iam/docs) permission on the `parent` resource:\n\n- `apim.observationSources.list`\n\nFor more information, see the [IAM documentation](https://cloud.google.com/iam/docs)."]]
