how can i change the method of calculation for free margin ?

[rimy-83]

halloo Fx dream
i want to make EX. do following
when i have long trade (lot size = 0.1) and in the same time i have short trade ( lot size =0.1 )so
should be the free margin = equity
how can i do that ??
thanks in advance

[miro1360]

you can use Variables and blocks for calculation (as Formula), here are also blocks as Modify Variables, or even Custom Code block, and blocks for getting values from trades or history ... with combination of these blocks you can do any calculation you need ...