roleuri 

A refinement of the semantics of the property - expressed by a URI. In the scope of infoSource only: If a party did anything other than originate information a role attribute with one or more roles must be applied. The recommended vocabulary is the IPTC Information Source Roles NewsCodes at http://cv.iptc.org/newscodes/infosourcerole/

Attribute Information

Used By

Complex Type Flex1PartyPropType

Source 

<xs:attribute name="roleuri" type="IRIListType">
  <xs:annotation>
    <xs:documentation>A refinement of the semantics of the property - expressed by a URI. In the scope of infoSource only: If a party did anything other than originate information a role attribute with one or more roles must be applied. The recommended vocabulary is the IPTC Information Source Roles NewsCodes at http://cv.iptc.org/newscodes/infosourcerole/</xs:documentation>
  </xs:annotation>
</xs:attribute>

Sample