# GetUserExternalIdGroupUsers ## Fields | Field | Type | Required | Description | | ------------------- | ------------------- | ------------------- | ------------------- | | `groupId` | *number* | :heavy_check_mark: | N/A | | `notificationLevel` | *number* | :heavy_check_mark: | N/A | | `owner` | *boolean* | :heavy_minus_sign: | N/A | | `userId` | *number* | :heavy_check_mark: | N/A |