Get all row Ids in gridLayout

Certified Associate Developer

Hello,

I'm trying to create a gridLayout component whose components can be hierarchically selected (this means, clicking on a specific row will also select all its subrows, and their respective subrows, all the way til the last hierarchy level). 

The thing is, I've assigned an unique id to each row from which I can know its parent rows, but in order to build this selection system, I should be able to loop over all row ids so I know if they have specific parent rows. Hence, my problem is getting all row ids. Is there any way to do it?

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