Writing the winopen Parameter of a Window Comp

Hello guys,
I am trying to access the winopen parameter from a chop execute to open the perform as a separate window. I was already capable of accessing the monitor parameter of the window by using op('/perform').par.monitor.val = 1. I also checked if the winopen parameter exists in an eval DAT with op('/perform').par.winopen.valid and recevied True. But as soon as I try to write the parameter with op('/perform').par.winopen.val = 1 nothing at all happens. Do you know what I am doing wrong?

correction: winopen is a Pulse type parameter, so we normally trigger its action using op(’/perform’).par.winopen.pulse(). You can also check its open status with an Info CHOP, or op(’/perform’).isOpen

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