is there any trigger function when S/L occured

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Hello,

i would like to clear some parameters when S/L occured, is there any trigger function when S/L occured ? or is there any approach could meet my requirement ?

thank you for your help .

This has been asked many times (for example -> https://www.mql5.com/en/forum/127948). Please search.
[Deleted]
Grt!!! Thanks a lot!!!