Assign Sample XML File
The XSL/XQuery | Assign Sample XML File command assigns an XML file to an XSLT document. The command inserts a processing instruction naming an XML file to be processed with this XSLT file when the XSL Transformation is executed on the XSLT file:
Please note: You can make the path of the assigned file relative by clicking the Make Path Relative To... check box. You can also select a file via a global resource or a URL (click the Browse button) or a file in one of the open windows in XMLSpy (click the Window button).