---
title: IPTC Dictionary Keys
framework: imageio
role: collectionGroup
role_heading: API Collection
path: imageio/iptc-dictionary-keys
---

# IPTC Dictionary Keys

Metadata keys for International Press Telecommunications Council (IPTC) data.

## Overview

Overview IPTC constants are metadata elements of the Information Interchange Model (IIM) used to provide information about images. The IIM was developed by the Newspaper Association of America (NAA) and the IPTC.

## Topics

### Dictionary

- [kCGImagePropertyIPTCDictionary](imageio/kcgimagepropertyiptcdictionary.md)

### Image Categorization

- [kCGImagePropertyIPTCUrgency](imageio/kcgimagepropertyiptcurgency.md)
- [kCGImagePropertyIPTCSubjectReference](imageio/kcgimagepropertyiptcsubjectreference.md)
- [kCGImagePropertyIPTCCategory](imageio/kcgimagepropertyiptccategory.md)
- [kCGImagePropertyIPTCSupplementalCategory](imageio/kcgimagepropertyiptcsupplementalcategory.md)
- [kCGImagePropertyIPTCFixtureIdentifier](imageio/kcgimagepropertyiptcfixtureidentifier.md)
- [kCGImagePropertyIPTCKeywords](imageio/kcgimagepropertyiptckeywords.md)
- [kCGImagePropertyIPTCContentLocationCode](imageio/kcgimagepropertyiptccontentlocationcode.md)
- [kCGImagePropertyIPTCContentLocationName](imageio/kcgimagepropertyiptccontentlocationname.md)
- [kCGImagePropertyIPTCEditStatus](imageio/kcgimagepropertyiptceditstatus.md)
- [kCGImagePropertyIPTCEditorialUpdate](imageio/kcgimagepropertyiptceditorialupdate.md)
- [kCGImagePropertyIPTCObjectCycle](imageio/kcgimagepropertyiptcobjectcycle.md)

### Image Information

- [kCGImagePropertyIPTCImageType](imageio/kcgimagepropertyiptcimagetype.md)
- [kCGImagePropertyIPTCImageOrientation](imageio/kcgimagepropertyiptcimageorientation.md)
- [kCGImagePropertyIPTCLanguageIdentifier](imageio/kcgimagepropertyiptclanguageidentifier.md)
- [kCGImagePropertyIPTCCaptionAbstract](imageio/kcgimagepropertyiptccaptionabstract.md)
- [kCGImagePropertyIPTCHeadline](imageio/kcgimagepropertyiptcheadline.md)
- [kCGImagePropertyIPTCCredit](imageio/kcgimagepropertyiptccredit.md)
- [kCGImagePropertyIPTCStarRating](imageio/kcgimagepropertyiptcstarrating.md)
- [kCGImagePropertyIPTCScene](imageio/kcgimagepropertyiptcscene.md)

### Copyright

- [kCGImagePropertyIPTCCopyrightNotice](imageio/kcgimagepropertyiptccopyrightnotice.md)
- [kCGImagePropertyIPTCRightsUsageTerms](imageio/kcgimagepropertyiptcrightsusageterms.md)

### Release Information

- [kCGImagePropertyIPTCReleaseDate](imageio/kcgimagepropertyiptcreleasedate.md)
- [kCGImagePropertyIPTCReleaseTime](imageio/kcgimagepropertyiptcreleasetime.md)
- [kCGImagePropertyIPTCExpirationDate](imageio/kcgimagepropertyiptcexpirationdate.md)
- [kCGImagePropertyIPTCExpirationTime](imageio/kcgimagepropertyiptcexpirationtime.md)
- [kCGImagePropertyIPTCSpecialInstructions](imageio/kcgimagepropertyiptcspecialinstructions.md)
- [kCGImagePropertyIPTCActionAdvised](imageio/kcgimagepropertyiptcactionadvised.md)
- [kCGImagePropertyIPTCReferenceService](imageio/kcgimagepropertyiptcreferenceservice.md)
- [kCGImagePropertyIPTCReferenceDate](imageio/kcgimagepropertyiptcreferencedate.md)
- [kCGImagePropertyIPTCReferenceNumber](imageio/kcgimagepropertyiptcreferencenumber.md)
- [kCGImagePropertyIPTCDateCreated](imageio/kcgimagepropertyiptcdatecreated.md)
- [kCGImagePropertyIPTCTimeCreated](imageio/kcgimagepropertyiptctimecreated.md)
- [kCGImagePropertyIPTCDigitalCreationDate](imageio/kcgimagepropertyiptcdigitalcreationdate.md)
- [kCGImagePropertyIPTCDigitalCreationTime](imageio/kcgimagepropertyiptcdigitalcreationtime.md)

### Personnel

- [kCGImagePropertyIPTCByline](imageio/kcgimagepropertyiptcbyline.md)
- [kCGImagePropertyIPTCBylineTitle](imageio/kcgimagepropertyiptcbylinetitle.md)
- [kCGImagePropertyIPTCSource](imageio/kcgimagepropertyiptcsource.md)
- [kCGImagePropertyIPTCContact](imageio/kcgimagepropertyiptccontact.md)
- [kCGImagePropertyIPTCWriterEditor](imageio/kcgimagepropertyiptcwritereditor.md)
- [kCGImagePropertyIPTCCreatorContactInfo](imageio/kcgimagepropertyiptccreatorcontactinfo.md)
- [IPTC Creator Contact Info Dictionary Keys](imageio/iptc-creator-contact-info-dictionary-keys.md)

### Location Data

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

### Software Program

- [kCGImagePropertyIPTCOriginatingProgram](imageio/kcgimagepropertyiptcoriginatingprogram.md)
- [kCGImagePropertyIPTCProgramVersion](imageio/kcgimagepropertyiptcprogramversion.md)

### Object Details

- [kCGImagePropertyIPTCObjectTypeReference](imageio/kcgimagepropertyiptcobjecttypereference.md)
- [kCGImagePropertyIPTCObjectAttributeReference](imageio/kcgimagepropertyiptcobjectattributereference.md)
- [kCGImagePropertyIPTCObjectName](imageio/kcgimagepropertyiptcobjectname.md)

### IPTC Extension

- [kCGImageMetadataNamespaceIPTCExtension](imageio/kcgimagemetadatanamespaceiptcextension.md)
- [kCGImageMetadataPrefixIPTCExtension](imageio/kcgimagemetadataprefixiptcextension.md)

## See Also

### Common Image Properties

- [Image Properties](imageio/image-properties.md)
- [EXIF Dictionary Keys](imageio/exif-dictionary-keys.md)
- [GPS Dictionary Keys](imageio/gps-dictionary-keys.md)
- [WebP Data](imageio/webp-data.md)