The OXMLWPName that must be called if you want this web part to run. If ?/&OXMLWPName=THISPROPERTY is not found in the URL or Post to this page, the web part will not run. Use this in combination with the Output As XML Only property.
Default: %Auto%
Example: MyWebPart
Page Call: default.aspx?OXMLWPName=MyWebPart