# Sandbox.ParticleEffect.TimingMode

- Kind: enum
- Assembly: `Sandbox.Engine`
- Modifiers: sealed

## Fields

- [`GameTime`](/api/Sandbox.ParticleEffect.TimingMode/GameTime): Use game simulation time (affected by game time scale).
- [`RealTime`](/api/Sandbox.ParticleEffect.TimingMode/RealTime): Use real-world time (ignores game time scale).