<BODY><P>Thank you Kenneth 4 those Hints,<BR>I've tried like you said:<BR><BR>$userInformation = new MgUserInformation($sessionId);<BR>$siteConnection = new MgSiteConnection();<BR>$siteConnection->Open($userInformation);<BR>$site = $siteConnection->GetSite();<BR>$user = $site->GetUserForSession();<BR>echo("user".$user);<BR><BR>It works fine!<BR>This is as I know relatively knew in the API (GetUserForSession), I wondering it was implemented, but wasn't sure.<BR><BR>I'll take my widget further that with and will let you know (and the community) if you are interressed to try it.<BR><BR>Thanks once again a lot!<BR></P></BODY>