# Sandbox.Diagnostics.FrameStats.InitialShadowMaterialChanges

```csharp
double InitialShadowMaterialChanges { get; set; }
```

Initial material changes that occurred in the shadow / depth-only pass specifically.

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