update method
Implementation
void update({required String id, double? amount, String? trackingNumber, List<int>? tags}) {
ULoading.show();
UServices.txn.update(
p: UTxnUpdateParams(id: id, amount: amount, trackingNumber: trackingNumber, tags: tags),
onOk: (UEmptyResponse r) {
ULoading.dismiss();
okCallback(r.message, read);
},
onError: (UEmptyResponse e) {
ULoading.dismiss();
errorCallBack(e.message, read);
},
onException: (String e) {
ULoading.dismiss();
UToast.error(message: e);
},
);
}