--- uid: Uno.Features.WAMChat --- # Chat > [!TIP] > This article covers Uno-specific information for the `Windows.ApplicationModel.Chat` namespace. For a full description of the feature and instructions on using it, see [Windows.ApplicationModel.Chat Namespace](https://learn.microsoft.com/uwp/api/windows.applicationmodel.chat). * The `Windows.ApplicationModel.Chat` namespace provides classes for accessing and managing chat messages. ## `ChatMessageManager` ### Limitations **macOS** `ShowComposeSmsMessageAsync` method is implemented but due to limitations of iMessage `sms:` scheme implementation, it doesn't support multiple `Recipients` (will only use the first one).