# Sandbox.Animation.GraphBuilder.LayersBuilder.AddStateMachineLayer

```csharp
int AddStateMachineLayer(Node input, LayerSettings settings = null)
```

### Parameters

- `input` (`Node`)
- `settings` (`LayerSettings`), default `null`

### Returns

`int`

Declared in [Sandbox.Animation.GraphBuilder.LayersBuilder](/api/Sandbox.Animation.GraphBuilder.LayersBuilder).
Assembly: `Sandbox.Engine`.