GetReader(); $cred = new MgUserInformation(); $cred->SetMgUsernamePassword('Anonymous', ''); $siteConn = new MgSiteConnection(); $siteConn->Open($cred); $svc = $siteConn->CreateService(MgServiceType::ResourceService); $resId = new MgResourceIdentifier('Library://Test/NewLayer.LayerDefinition'); try { $svc->SetResource($resId,$byteReader,null); } catch (MgException $e) { echo $e->GetMessage(); } ?>