[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-01-21 UTC."],[],[],null,["# Method: projects.databases.collectionGroups.indexes.create\n\nCreates a composite index. This returns a [google.longrunning.Operation](/docs/firestore/reference/rest/Shared.Types/Operation) which may be used to track the status of the creation. The metadata for the operation will be the type [IndexOperationMetadata](/docs/firestore/reference/rest/Shared.Types/IndexOperationMetadata).\n\n### HTTP request\n\n`POST https://firestore.googleapis.com/v1/{parent=projects/*/databases/*/collectionGroups/*}/indexes`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\n### Path parameters\n\n| Parameters ||\n|----------|----------------------------------------------------------------------------------------------------------------------------|\n| `parent` | `string` Required. A parent name of the form `projects/{projectId}/databases/{databaseId}/collectionGroups/{collectionId}` |\n\n### Request body\n\nThe request body contains an instance of [Index](/docs/firestore/reference/rest/Shared.Types/FieldOperationMetadata#Index).\n\n### Response body\n\nIf successful, the response body contains a newly created instance of [Operation](/docs/firestore/reference/rest/Shared.Types/Operation).\n\n### Authorization scopes\n\nRequires one of the following OAuth scopes:\n\n- `https://www.googleapis.com/auth/datastore`\n- `https://www.googleapis.com/auth/cloud-platform`\n\nFor more information, see the [OAuth 2.0 Overview](https://developers.google.com/identity/protocols/OAuth2)."]]
