---
title: SystemUpdateCondition
framework: realitykit
role: symbol
role_heading: Structure
path: realitykit/systemupdatecondition
---

# SystemUpdateCondition

A condition which causes a system to update.

## Declaration

```swift
struct SystemUpdateCondition
```

## Topics

### Type Properties

- [rendering](realitykit/systemupdatecondition/rendering.md)

## See Also

### System configuration

- [Implementing systems for entities in a scene](realitykit/implementing-systems-for-entities-in-a-scene.md)
- [Animating entity rotation with a system](realitykit/animated-rotation-with-a-system.md)
- [System](realitykit/system.md)
- [SceneUpdateContext](realitykit/sceneupdatecontext.md)