Implementation of trading models using indicator formulas is simply extending your indicators to issue trading related instructions like buy/sell orders, cancellation of orders, etc. thru the trading functions. Thus, having a good understanding in writing formula indicators is necessary. If you have not done so, read Formula 201 - Writing Indicator Formulas to get yourself familiar with the language first.
Following are latest Formula 301 blog articles,
Beyond the techniques and concepts introduced here, you can check out our blog site on Trading Systems That Work to see how to turn trading ideas into models that you can backtest rigorously.