# Return All Alert Configuration Matchers Field Names **GET /api/atlas/v2/alertConfigs/matchers/fieldNames** Get all field names that the `matchers.fieldName` parameter accepts when you create or update an Alert Configuration. You can successfully call this endpoint with any assigned role. ## Servers - https://cloud.mongodb.com: https://cloud.mongodb.com () ## Authentication methods - Service accounts - Digest auth ## Parameters ### Query parameters - **envelope** (boolean) Flag that indicates whether Application wraps the response in an `envelope` JSON object. Some API clients cannot access the HTTP response headers or status code. To remediate this, set envelope=true in the query. Endpoints that return a list of results use the results object as an envelope. Application adds the status parameter to the response body. - **pretty** (boolean) Flag that indicates whether the response body should be in the prettyprint format. ## Responses ### 200 OK #### Body: application/vnd.atlas.2023-01-01+json (array[object | string]) ### 401 Unauthorized. #### Body: application/json (object) - **badRequestDetail** (object) Bad request detail. - **detail** (string) Describes the specific conditions or reasons that cause each type of error. - **error** (integer(int32)) HTTP status code returned with this error. - **errorCode** (string) Application error code returned with this error. - **parameters** (array[object]) Parameters used to give more information about the error. - **reason** (string) Application error message returned with this error. ### 403 Forbidden. #### Body: application/json (object) - **badRequestDetail** (object) Bad request detail. - **detail** (string) Describes the specific conditions or reasons that cause each type of error. - **error** (integer(int32)) HTTP status code returned with this error. - **errorCode** (string) Application error code returned with this error. - **parameters** (array[object]) Parameters used to give more information about the error. - **reason** (string) Application error message returned with this error. ### 500 Internal Server Error. #### Body: application/json (object) - **badRequestDetail** (object) Bad request detail. - **detail** (string) Describes the specific conditions or reasons that cause each type of error. - **error** (integer(int32)) HTTP status code returned with this error. - **errorCode** (string) Application error code returned with this error. - **parameters** (array[object]) Parameters used to give more information about the error. - **reason** (string) Application error message returned with this error. [Powered by Bump.sh](https://bump.sh)