Use this function to return XPath referencing the ID for the entry. This ID is used as the reference for the document. Either this function or getEntryId must result in a valid reference. The function is not called if getEntryId has already returned a valid reference.
| Inputs: | xml (XmlDocument), document (Document) |
| Outputs: | xpath (string) |
| See also: | [prefix_]getEntryId |
function myPrefix_getEntryIdXPath(xml, document) cache_result() return "~/atom:id" end
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