Hi I need help to programming a Trailing stop

Hello there,

I am learning to programming on MQL5, I am coding using modules and I think  Iam doing it well.

I write this module to open a position and move the Stoploss usin a break even. It works well but now I want to continue with a Trailing Stop funtion after the Break Even is set, but I can´t get it

I need some help to write the code for the Trailing Stop.

I think this should be really easy for someone with experience.

I let the module tha I could write.

Thans a lot