Getting all function on expert adviser's

Hi Team,

I need all function’s document which used in expert advisory, could you please share that.

one more question, expert advisory facility free cost or any charges.

Expert Advisors is free of cost. It is a part of the Pi trading platform. You can use an EA code on an opened chart and when the chart condition meets the code condition, you will either get a Buy or Sell signal.

Below is the EA link with all the available EAs and its respective codes. All codes are written in TradeScript.