This is the old version of Range Filter from DonovanWall, that VuManChu is selling in his discord as "VuManChu Swing" which in reality is just Range Filter, a open-source script from DonovanWall.
Spoiler alert, It's not that good as a standalone strategy.
gareginamaryan
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@CrypT0mmy, friend, I did as you wrote, but I have such a mistake. How can I fix it please? Undeclared identifier 'longCondition'; Undeclared identifier 'shortCondition'
CrypT0mmy
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@gareginamaryan, U have to add it all the way at the bottom of the script, otherwise it does not work. So change study to strategy at the top. Then add the lines I told you all the way at the bottom of the script. Then it should work :)