public IEnumerable Handle(Func <Guid, ParticipantAggregate> al, AssignAlternateToTeam command)
        {
            var agg = al(command.Id);

            yield return(new ParticipantDesignatedAsAlternate
            {
                Id = command.Id,
                TeamId = command.TeamId,
                Name = agg.Name
            });
        }
 public JsonResult AssignAlternateToTeam(AssignAlternateToTeam command)
 {
     Domain.Dispatcher.SendCommand(command);
     return(Json(command));
 }