The ExecuteUrl element is used in an ONET.XML file to specify the URL that is called following instantiation of the site definition.
<ExecuteUrl Url = "Text"> </ExecuteUrl>
|Url||Required Text. Specifies the URL of a page located in Local_Drive:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\60\TEMPLATE\LAYOUTS to open after the site is instantiated. For example,
Use the ExecuteUrl element to open the site definition creation process to arbitrary post-processing capabilities.