---
title: configuration
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/objectcapturesession/configuration-swift.property
---

# configuration

The read-only Configuration used to start the capture session.  The configuration can be set by passing it to the start() call and it remains immutable after the session is started successfully.

## Declaration

```swift
@MainActor var configuration: ObjectCaptureSession.Configuration { get }
```