private bool? PersonHasKilnAccess(CPerson person)
        {
            bool? retVal = null;

            if (IsLicensedUser(person))
            {
                int canAccess = Convert.ToInt32(person.GetPluginField(PluginId, _ixCanAccessKiln));

                if (canAccess == 1)
                {
                    retVal = true;
                }
                else
                {
                    retVal = false;
                }
            }

            return retVal;
        }