Identify 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 property Output as XML Only property.
Default: %Auto%
Example: MyWebPart
Page Call: default.aspx?OXMLWPName=MyWebPart