Example XML Request
<request>
<procedure>
<execute namespace="SharePoint2007Provider" procedure="AddGroupToRole" impersonate="1">
<executeData>
<target>http://WSSFE:8080</target>
<siteGUID>18c0723a-8e76-4e41-b1f8-4b5fef0a31b4</siteGUID>
<subSiteGUID>189f6b51-217c-462b-b1d4-752a4861594c</subSiteGUID>
<roleName>Full Control</roleName>
<groupName>SPNSTestGroup</groupName>
</executeData>
</execute>
</procedure>
</request>