# Sandbox.Frustum.GetCorner

```csharp
System.Nullable<Vector3> GetCorner(int i)
```

Returns the corner point of one of the 8 corners.
This may return null if i is > 7 or the frustum is invalid.

### Parameters

- `i` (`int`)

### Returns

`System.Nullable<Vector3>`

Declared in [Sandbox.Frustum](/api/Sandbox.Frustum).
Assembly: `Sandbox.System`.