This schema specifies XMP properties used by Adobe Photoshop.

• Exiv2 keys are Xmp.photoshop.<Property>
• The schema namespace URI is http://ns.adobe.com/photoshop/1.0/
• The preferred schema namespace prefix is photoshop

Reference: XMP Specification and Documentation

Property	Label	Value type	Exiv2 type	Category	Description
DateCreated	Date Created	Date	XmpText	External	The date the intellectual content of the document was created (rather than the creation date of the physical representation), following IIM conventions. For example, a photo taken during the American Civil War would have a creation date during that epoch (1861-1865) rather than the date the photo was digitized for archiving.
Headline	Headline	Text	XmpText	External	Headline.
Country	Country	Text	XmpText	External	Country/primary location.
State	State	Text	XmpText	External	Province/state.
City	City	Text	XmpText	External	City.
Credit	Credit	Text	XmpText	External	Credit.
AuthorsPosition	Authors Position	Text	XmpText	External	By-line title.
CaptionWriter	Caption Writer	Text	XmpText	External	Writer/editor.
Category	Category	Text	XmpText	External	Category. Limited to 3 7-bit ASCII characters.
Instructions	Instructions	Text	XmpText	External	Special instructions.
Source	Source	Text	XmpText	External	Source.
SupplementalCategories	Supplemental Categories	bag Text	XmpBag	External	Supplemental category.
TransmissionReference	Transmission Reference	Text	XmpText	External	Original transmission reference.
Urgency	Urgency	Integer	XmpText	External	Urgency. Valid range is 1-8.
ICCProfile	ICC Profile	Text	XmpText	Internal	The colour profile, such as AppleRGB, AdobeRGB1998.
ColorMode	Color Mode	Closed Choice of Integer	XmpText	Internal	The colour mode. One of: 0 = Bitmap, 1 = Grayscale, 2 = Indexed, 3 = RGB, 4 = CMYK, 7 = Multichannel, 8 = Duotone, 9 = Lab.
AncestorID	Ancestor ID	URI	XmpText	External	The unique identifier of a document.
DocumentAncestors	Document Ancestors	bag Ancestor	XmpBag	External	If the source document for a copy-and-paste or place operation has a document ID, that ID is added to this list in the destination document's XMP.
History	History	Text	XmpText	External	The history that appears in the FileInfo panel, if activated in the application preferences.
TextLayers	Text Layers	seq Layer	XmpSeq	External	If a document has text layers, this property caches the text for each layer.
LayerName	Layer Name	Text	XmpText	External	The identifying name of the text layer.
LayerText	Layer Text	Text	XmpText	External	The text content of the text layer.
EmbeddedXMPDigest	Embedded XMP Digest	Text	XmpText	External	Embedded XMP Digest.
LegacyIPTCDigest	Legacy IPTC Digest	Text	XmpText	External	Legacy IPTC Digest.
SidecarForExtension	Sidecar F or Extension	Text	XmpText	External	Filename extension of associated image file.