---
title: kCGImagePropertyIPTCOriginalTransmissionReference
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertyiptcoriginaltransmissionreference
---

# kCGImagePropertyIPTCOriginalTransmissionReference

The call letter or number combination associated with the originating point of an image.

## Declaration

```swift
let kCGImagePropertyIPTCOriginalTransmissionReference: CFString
```

## See Also

### Location Data

- [kCGImagePropertyIPTCCity](imageio/kcgimagepropertyiptccity.md)
- [kCGImagePropertyIPTCSubLocation](imageio/kcgimagepropertyiptcsublocation.md)
- [kCGImagePropertyIPTCProvinceState](imageio/kcgimagepropertyiptcprovincestate.md)
- [kCGImagePropertyIPTCCountryPrimaryLocationCode](imageio/kcgimagepropertyiptccountryprimarylocationcode.md)
- [kCGImagePropertyIPTCCountryPrimaryLocationName](imageio/kcgimagepropertyiptccountryprimarylocationname.md)