CmsData.EmailReplacements.AddSmallGroup C# (CSharp) Method

        private string AddSmallGroup(string code, EmailQueueTo emailqueueto)
        {
            var match = addSmallGroupRe.Match(code);
            if (!match.Success || !emailqueueto.OrgId.HasValue)
                return code;

            var group = match.Groups["group"].Value;
            var om = (from mm in db.OrganizationMembers
                where mm.OrganizationId == emailqueueto.OrgId
                where mm.PeopleId == emailqueueto.PeopleId
                select mm).SingleOrDefault();
            if (om != null)
                om.AddToGroup(db, @group);
            return "";
        }