create method
Implementation
void create({required UDormBedInvoiceCreateParams p}) => UServices.hotel.createDormBedInvoice(
p: p,
onOk: (UResponse<UDormBedInvoiceResponse> r) => okCallback(r.message, read),
onError: (UResponse<dynamic> r) => errorCallBack(r.message, read),
onException: (String e) => errorCallBack(U.s.errorSubmittingForm, read),
);