Show data detail when click cell in repeat group

Hi every one, I have a problem with my project
I have a repeat group that show 1 feature photo, address and rental price
I create a pop-up to display detail information relevant to 1 cell in repeat group, but when i link it, pop-up show all data of all unique id. How do i get detail information from 1 unique id

Just open the pop up, and use a display data action to display the current cell’s data.

thank you adam, i attached picture about workflow and pop-up, please help me