3.1.4.1.2.2 ad:Sorting/@Dialect
The XPath 1.0-derived Selection Language, defined in [MS-ADDM] section 2.4, is used to specify the sorting property. This derived language is identified by the following URI:
http://schemas.microsoft.com/2008/1/ActiveDirectory/Dialect/XPath-Level-1
The URI stated previously MUST be the value of the /soapenv:Envelope/soapenv:Body/ wsen:Enumerate/ * /ad:Sorting/ @Dialect required attribute.