This is the Microsoft badged version of the iView Media Pro schema.

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

Reference: ?

Property	Label	Value type	Exiv2 type	Category	Description
Event	Event	Text	XmpText	External	Fixture Identification
Status	Status	Text	XmpText	External	A notation making the image unique
People	People	bag Text	XmpBag	External	Contact
CatalogSets	Catalog Sets	bag Text	XmpBag	External	Descriptive markers of catalog items by content