---
title: beginObjectReference()
framework: Core Graphics
role: symbol
role_heading: Instance Method
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, visionOS 27.0+]
path: coregraphics/cgcontext/beginobjectreference()
---

# beginObjectReference()

## Declaration

```swift
func beginObjectReference() -> CGPDFMarkedContentItem?
```