PSIARC UEV Data Table driven UI, button event 5-0

Hey there, there is a data table driven UI that lists range available raws from data table on the left. I fail to make each of the buttons to fire an event that opens a level. Level name is defined in the data table.
Please solve.
Please provide visual example. I know i got to identify each button and uniquify it, but please provide a visual sollution. I managed to enable the clicking, print string hellows me back and open level activates, what does not work, is the button doesnt know where does it belong to, after its clicked.
Faced same issue 1 year ago.