Header constructor Null safety
- {AppSequence? appSequence,
- String? messageID,
- String? relatesTo,
- String? to,
- String? action}
Implementation
Header(
{this.appSequence, this.messageID, this.relatesTo, this.to, this.action});
Header(
{this.appSequence, this.messageID, this.relatesTo, this.to, this.action});