local EntityEvent = class("EntityEvent") function EntityEvent:ctor(listener, nEntityId, callback) self._listener = listener self.nEntityId = nEntityId if type(callback) == "function" then self._callback = callback elseif type(callback) == "string" then local cb = listener[callback] if type(cb) == "function" then self._callback = cb else self._callback = nil end else self._callback = nil end end return EntityEvent