# Sandbox.UI.StyleSheet.GetMixin

```csharp
MixinDefinition GetMixin(string name)
```

Get a mixin by name or null if not found.

### Parameters

- `name` (`string`)

### Returns

`MixinDefinition`

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