# AudioMessageContent ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **r#type** | **String** | Type | **id** | **String** | Message ID | **content_provider** | [**crate::models::ContentProvider**](ContentProvider.md) | | **duration** | Option<**i64**> | Length of audio file (milliseconds) | [optional] [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)