SystemMessage constructor Null safety

SystemMessage(
  1. {int? messageId,
  2. SystemMessageType? type,
  3. String? fromAccount,
  4. String? targetId,
  5. int? time,
  6. SystemMessageStatus? status,
  7. String? content,
  8. String? attach,
  9. Object? attachObject,
  10. bool? unread,
  11. String? customInfo}
)

Implementation

SystemMessage(
    {this.messageId,
    this.type,
    this.fromAccount,
    this.targetId,
    this.time,
    this.status,
    this.content,
    this.attach,
    this.attachObject,
    this.unread,
    this.customInfo});