Has format
This is a property of type String.
- Ephemera
- Engraving
- Manuscript
- Photograph
- Printed material
- Tune
{ "type": "PROPERTY_CONSTRAINT_SCHEMA", "constraints": { "type_constraint": "_txt", "allowed_values": [ "Book", "Collection", "Engraving", "Ephemera", "Manuscript", "Photograph", "Tune Book", "XML", "ABC", "LY", "MSCZ" ] } }