# Sandbox.Surface.SurfacePrefabCollection.BulletImpact

```csharp
GameObject BulletImpact { get; set; }
```

A prefab to spawn when this surface is hit by a bullet. The prefab should be spawned facing the same direction as the hit normal. It should be parented to the surface that it hit and become orphaned if that surface is destroyed.

Declared in [Sandbox.Surface.SurfacePrefabCollection](/api/Sandbox.Surface.SurfacePrefabCollection).
Assembly: `Sandbox.Engine`.
