http://bfexplorer.net/Community/BlogContent/478

ExecuteNotSelectedFavouriteBotTrigger.fsx

// Bfexplorer cannot be held responsible for any losses or damages incurred during the use of this betfair bot.
// It is up to you to determine the level of risk you wish to trade under. 
// Do not gamble with money you cannot afford to lose.

module BfexplorerBot

#I @"C:\Program Files (x86)\BeloSoft\Bfexplorer\"

#r "BeloSoft.Data.dll"
#r "BeloSoft.Betfair.API.dll"
#r "BeloSoft.Bfexplorer.Domain.dll"
#r "BeloSoft.Bfexplorer.Trading.dll"
#r "BeloSoft.Bfexplorer.Service.Core.dll"

open BeloSoft.Data
open BeloSoft.Bfexplorer.Domain
open BeloSoft.Bfexplorer.Trading

/// <summary>
/// ExecuteNotSelectedFavouriteBotTrigger
/// </summary>
type ExecuteNotSelectedFavouriteBotTrigger(market : Market, selection : Selection, _botName : string, _botTriggerParameters : BotTriggerParameters, _myBfexplorer : IMyBfexplorer) =

    let getFavourite() =
        getFavourites market |> List.head
                
    interface IBotTrigger with

        /// <summary>
        /// Execute
        /// </summary>
        member __.Execute() =
            let favourite = getFavourite()

            if selection.Id = favourite.Id
            then
                TriggerResult.EndExecution
            else
                TriggerResult.ExecuteActionBotOnSelection favourite

        /// <summary>
        /// EndExecution
        /// </summary>
        member __.EndExecution() =
            ()