public async Task CreateListApi(string listName, bool isPrivate, string description) { this.CheckAccountState(); var response = await this.Api.ListsCreate(listName, description, isPrivate) .ConfigureAwait(false); var list = await response.LoadJsonAsync() .ConfigureAwait(false); TabInformations.GetInstance().SubscribableLists.Add(new ListElement(list, this)); }