Equity control extension

In QuantAnalyzer i want to calculate the Equity and do the control on it , if rising keep the lotsize the same , else lotsize = 0.
how is this possible (just the part of calculating the equity as the same basic line of the equity on every chart?

Hi, we have extensive guide on this. I recommend to check here https://strategyquant.com/blog/better-results-with-equity-control/

Let me know if any further help needed