# Sandbox.ParticleGradient.EvaluationType

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

## Fields

- [`Frame`](/api/Sandbox.ParticleGradient.EvaluationType/Frame)
- [`Life`](/api/Sandbox.ParticleGradient.EvaluationType/Life)
- [`Particle`](/api/Sandbox.ParticleGradient.EvaluationType/Particle)