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Input parameters:(professional version)

• Migic:unique number of the EA.
• Spread:Spread setting, if the spread is more than this value, the order will be temporarily stopped.
• Gird: Based on the earliest order, the next order will be made at every loss point. 
• Lot/autolot/proportion:If you choose autolot = false, the lots is fixed. You can set it through lot. If you choose autolot = true, then lot = account equity / proportion× 0.01. This means that the smaller the proportion, the larger of lots. (it is reasonable to set the proportion to 500-2000)
• TP: Target profit under trend strategy, 100-150 is more reasonable.
• mutip: Under the hedging strategy, the maximum amount of hedging orders. MAXLOT=lot* mutip;
• maxdrawdown:if you set it to 30,when account equity/account balance<70,EA will close all orders, send emails and stop work.As for the sending of email, you need to set up MT4 and bind your email first. I believe there must be many tutorials on the Internet. (setting 30-50 is reasonable)