Derivative Pivot HL Points

Hello.
This script aims to take into account mutable variable Pivot Points' periods.

While doing this, it takes the period between 2 signals that I use in the script:

And these periods in my Pivot HL function integrated into len length (Mutable variables) :

The cornerstone of the script is these facts.
Pivot can be optimized by playing with reversal periods.

These pre-formed levels can be used as Supply and Demand levels.

Regards.