public static SingleStatement SendSignalToSelf(
            Operator ope,
            string key,
            string sendKey)
        {
            var sendSignal = LPG.CreateSingleStatement(
                new TargetState(TargetStateTarget.Item, sendKey, ParameterType.Signal),
                ope,
                LPG.CreateExpression_ROOMSTATE(GimmickTarget.Item, key));

            return(sendSignal);
        }