public void Apply(SpeechDescriptionChangedEvent ev)
 {
     if (ev.AggregateId != Id)
     {
         throw new InvalidDomainEventException(ErrorCode.InvalidDomainEvent, $"Cannot apply event : Speech Id ({Id}) is not equals to AggregateId ({ev.AggregateId}) of the event , {nameof(SpeechDescriptionChangedEvent)}");
     }
     _description = ev.Description;
 }
 public void Apply(SpeechDescriptionChangedEvent ev)
 {
     Id          = ev.AggregateId;
     Description = ev.Description;
 }