bytedesk-flutter/bytedesk_kefu/lib/util/bytedesk_extraparam.dart

class ExtraParam {
  String? previewContent;

  String? receiptMid;
  String? receiptStatus;

  String? recallMid;

  String? transferTopic;
  String? transferContent;

  String? inviteTopic;
  String? inviteContent;
}