Use this function to return XPath that references the modified date of the current entry. If the function is defined and getEntryModifiedDate is not defined or did not return a date, the returned date will be stored in the synchronize datastore, and will be used to check whether the entry has been updated.

Inputs: xml (XmlDocument), document (Document)
Outputs: xpath (string)
See also: [prefix_]getEntryModifiedDate


function myPrefix_getEntryModifiedDateXPath(xml, document)
   return "~/atom:updated"