| # DiagnosticsData<METADATA> constructor | |
| *[<Null safety>](https://dart.dev/null-safety)* | |
| DiagnosticsData<METADATA>({required dynamic dataType, required METADATA metadata, required String moniker, required Map<String, dynamic> payload, required int version}) | |
| ## Implementation | |
| ```dart | |
| DiagnosticsData({ | |
| required this.dataType, | |
| required this.metadata, | |
| required this.moniker, | |
| required this.payload, | |
| required this.version, | |
| }); | |
| ``` | |