using System;

using CMS.Community;

using CMS.UIControls;

...

        // Create new invitation object

      InvitationInfo ii = new InvitationInfo();

      // Set properties

       ii.InvitationComment = "Invitation comment";

       ii.InvitationGroupID = 1;

       ii.InvitationUserEmail = "admin@localhost.local";

       ii.InvitedByUserID = CurrentUser.UserID;

       ii.InvitationCreated = DateTime.Now;

       ii.InvitationValidTo = DateTime.Now.AddDays(1);

      // Save object

      InvitationInfoProvider.SetInvitationInfo(ii);