SubStatement constructor

SubStatement({ Agent? actor, Verb? verb, StatementTarget? object, Result? result, Context? context, DateTime? timestamp, List<Attachment>? attachments, })

https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#substatements

Implementation

SubStatement({
  this.actor,
  this.verb,
  this.object,
  this.result,
  this.context,
  this.timestamp,
  this.attachments,
});