private async Task <bool> ValidateEFType() { try { var feeType = EnumString.ToDescription <FeeType>(this.Update.Command); this.Update.UserContext.SetContext("EntryFee_Type", feeType); return(true); } catch (ArgumentException) { await this.Client.SendMessageAsync( this.Update.UserContext.TelegramId, "Please choose from keyboard items."); await this.EnteringEFType(); return(false); } }