---
title: CollisionComponent.Mode.trigger
framework: realitykit
role: symbol
role_heading: Case
path: realitykit/collisioncomponent/mode-swift.enum/trigger
---

# CollisionComponent.Mode.trigger

A trigger collision object.

## Declaration

```swift
case trigger
```

## Discussion

Discussion When a collision object of this type collides with any other object, RealityKit records that contact was made, but does not compute other details, like contact points, normal vectors, and so on. This makes a trigger object more performant when all you need is a Boolean indicator that contact occurred. Triggers are not simulated, so if the Entity also contains PhysicsBodyComponent, trigger is ignored.

## See Also

### Collision modes

- [CollisionComponent.Mode.default](realitykit/collisioncomponent/mode-swift.enum/default.md)