public async Task <MissionSimpleDto> Create() { MissionCreateDto Mission = new MissionCreateDto { Name = Name, Deadline = Deadline, Description = Description, TotalSum = TotalSum }; MissionCreating = true; MissionRepository repository = new MissionRepository(); MissionSimpleDto mission = await repository.CreateForList(Mission); (Application.Current.MainPage.BindingContext as MissionListViewModel).Missions.Add(mission); MissionCreating = false; await CloseModal(); return(mission); }