Elements defined

extensionWrap

extensionWrap serves as a container for the elements extensionElement, extensionValue, and extensionAuthorityUsed.

Usage: required within pbcoreExtension, instantiationExtension, or essenceTrackExtension, if extensionEmbedded is not used; cannot be used with extensionEmbedded; repeatable

Attributes

• source: optional | The source attribute provides the name of the authority used to declare the value of the element. Required attribute for pbcoreIdentifier and instantiationIdentifier elements. Can be used as an attribute of any element.
• ref: optional | The ref attribute is used to supply a source’s URI for the value of the element. Can be used as an attribute of any element.
• version: optional | The version attribute identifies any version information about the authority or convention used to express data of this element. Can be used as an attribute of any element.
• annotation: optional | The annotation attribute includes narrative information intended to clarify the nature of data used in the element. Can be used as an attribute of any element.

Subelements

• extensionElement: required | extensionElement provides metadata descriptions from metadata dictionaries and schemas outside of PBCore.
• extensionValue: required | extensionValue is used express the data value of the label indicated by extensionElement.
• extensionAuthorityUsed: optional | extensionAuthorityUsed identifies the authority used for the extensionElement.

Example

  
  <pbcoreExtension>

    <extensionWrap>

       <extensionElement>RightsHolderName</extensionElement>

       <extensionValue>WNET.org</extensionValue>

       <extensionAuthorityUsed>http://www.loc.gov/standards/rights/METSRights.xsd</extensionAuthorityUsed>

    </extensionWrap>

  </pbcoreExtension>