You use the pub.xml:queryXMLNode service to selectively extract information from a parsed HTML or XML document and assign that information to variables that can be linked to other services.
When you use pub.xml:queryXMLNode, you extract information using either the XML Query Language (XQL) or the webMethods Query Language (WQL). Both languages allow you to address and select information from a node based on criteria that you specify in a query statement. For more information about WQL, see
webMethods Query Language .
Note:
When you use pub.xml:queryXMLNode to query an enhanced XML node (a node produced by the enhanced XML parser), you must use XQL as the query language.
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