$CreativeFieldAssignment.fromJson constructor Null safety

$CreativeFieldAssignment.fromJson(
  1. Map _json
)

Implementation

$CreativeFieldAssignment.fromJson(core.Map _json)
    : this(
        creativeFieldId: _json.containsKey('creativeFieldId')
            ? _json['creativeFieldId'] as core.String
            : null,
        creativeFieldValueId: _json.containsKey('creativeFieldValueId')
            ? _json['creativeFieldValueId'] as core.String
            : null,
      );