# Sandbox.ModelBuilder.AddCollisionHull

## Overload 1

```csharp
ModelBuilder AddCollisionHull(List<Vector3> vertices, System.Nullable<Vector3> center = null, System.Nullable<Rotation> rotation = null)
```

### Parameters

- `vertices` (`List<Vector3>`)
- `center` (`System.Nullable<Vector3>`), default `null`
- `rotation` (`System.Nullable<Rotation>`), default `null`

### Returns

`ModelBuilder`

## Overload 2

```csharp
ModelBuilder AddCollisionHull(System.Span<Vector3> vertices, System.Nullable<Vector3> center = null, System.Nullable<Rotation> rotation = null)
```

### Parameters

- `vertices` (`System.Span<Vector3>`)
- `center` (`System.Nullable<Vector3>`), default `null`
- `rotation` (`System.Nullable<Rotation>`), default `null`

### Returns

`ModelBuilder`

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