Close all orders if One order closes

How can i close all orders if one closes

Use an EA.

You haven't stated a problem, you stated a want. Show us your attempt (using the CODE button) and state the nature of your problem.
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kamada2020 :
How can i close all orders if one closes

You need to track transactions in OnTradeTransaction. Example: Close All if Take Profit activation and Close Delete By Loss Or Profit