# Sandbox.DecalDefinition.BlendMode

```csharp
DecalBlendMode BlendMode { get; set; }
```

How the decal's color blends with the receiving surface. Defaults to [Sandbox.Rendering.DecalBlendMode.Alpha](/api/Sandbox.Rendering.DecalBlendMode/Alpha).

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