# Sandbox.PlatformSettings.ChatShowUI

```csharp
bool ChatShowUI { get; set; }
```

Show the default chat UI overlay. When false, messages are still processed
and events still fire, but the built-in overlay is hidden. Use this when
implementing a custom chat UI.

Declared in [Sandbox.PlatformSettings](/api/Sandbox.PlatformSettings).
Assembly: `Sandbox.Engine`.