# Sandbox.ParticleEffect.InitialYaw

```csharp
ParticleFloat InitialYaw { get; set; }
```

Yaw given to each particle when it is emitted, added to [Sandbox.ParticleEffect.Yaw](/api/Sandbox.ParticleEffect/Yaw).

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