---
title: RealityRenderer.EntityCollection
framework: realitykit
role: symbol
role_heading: Structure
path: realitykit/realityrenderer/entitycollection
---

# RealityRenderer.EntityCollection

A collection of entities in a RealityRenderer.

## Declaration

```swift
@MainActor struct EntityCollection
```

## Overview

Overview This collection is used by entities.

## Relationships

### Conforms To

- [Collection](swift/collection.md)
- [EntityCollection](realitykit/entitycollection.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)
- [Sequence](swift/sequence.md)

## See Also

### Metal workflow rendering

- [RealityRenderer](realitykit/realityrenderer.md)
- [RealityRenderer.CameraSettings](realitykit/realityrenderer/camerasettings-swift.struct.md)
- [RealityRenderer.CameraOutput](realitykit/realityrenderer/cameraoutput.md)
- [RealityRenderer.ImageBasedLight](realitykit/realityrenderer/imagebasedlight.md)
- [RealityRenderer.MetalEventAction](realitykit/realityrenderer/metaleventaction.md)