Display of the indicator
If this is set to True, a screen alarm will be output if the critical threshold is undershot.
notify alert (mobile)
If this is set to True, an alert to the mobile MT4 will be sent if the critical threshold is undershot (new in version 1.20).
Set the indicator as you like best.
Note: There is a much more powerful version of this indicator. You find it here: https://www.mql5.com/de/market/product/37167