Check repeated current item in another data variable

Hi, i am trying to write a formula where I want to check if the current repeated item exist in another data variable.
I tried many formula but formula is not working. I am sure someone might have come across this scenario as it is a pretty basic scenario.
I have used other low code app building tools and it was seamless there.

Hi there im trying do do the same thing and in the same way as you in order to check if a like exists for the currently repeated item .
But i still havent manage it to work

Hi There, I was manage to this. Here is the formula

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Thanks i will try it out !

Try this one

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Ohh i see your logic this one seems more promising, thanks for letting me know!