// 设置 API-KEY
Pingpp.apiKey = "sk_test_ibbTe5jLGCi5rzfH4OqPW9KC";

Charge ch = Charge.create(Dictionary<String, Object> param);

Charge ch = Charge.retrieve(String id);

ChargeList chs = Charge.list(Dictionary<String, Object> listParam);

Refund re = Refund.create(String chId, Dictionary<String, Object> param);

Refund re = Refund.retrieve(String chId, String reId);

RefundList res = Refund.list(String chId, Dictionary<String, Object> listParam);

RedEnvelope red = RedEnvelope.create(Dictionary<String, Object> param);

RedEnvelope red = RedEnvelope.retrieve(String id);

RedEnvelopeList reds = RedEnvelope.list(Dictionary<String, Object> listParam);

Transfer tr = Transfer.create(Dictionary<String, Object> param);

Transfer tr = Transfer.retrieve(String id);

TransferList trs = Transfer.list(Dictionary<String, Object> listParam);

Event evt = Event.retrieve(String id);

EventList evts = Event.list(Dictionary<String, Object> listParam);