public MeetingGroup( string name, string description, string city, string countryCode, Guid creatorId) { this.Id = Guid.NewGuid(); _name = name; _description = description; _city = city; _countryCode = countryCode; this.AddDomainEvent(new MeetingGroupCreatedDomainEvent(this.Id)); _members = new List <MeetingGroupMember>(); _members.Add(new MeetingGroupMember(this.Id, creatorId, MeetingGroupMemberRole.Organizer())); }