# Sandbox.Terrain.GetMaterialAtWorldPosition

```csharp
System.Nullable<TerrainMaterialInfo> GetMaterialAtWorldPosition(Vector3 worldPosition)
```

Gets terrain material information at a world position.
Returns null if the position is outside terrain bounds.

### Parameters

- `worldPosition` (`Vector3`)

### Returns

`System.Nullable<TerrainMaterialInfo>`

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