# CallbackRequest ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **destination** | **String** | User ID of a bot that should receive webhook events. The user ID value is a string that matches the regular expression, `U[0-9a-f]{32}`. | **events** | [**Vec**](Event.md) | Array of webhook event objects. The LINE Platform may send an empty array that doesn't include a webhook event object to confirm communication. | [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)