@louisadekoya You’re not getting much use of the LIE element, putting a list of texts in and pulling the same list out again.
Try using Expression instead …
['Search for Tasks’s unique id:join with "’,’"'].indexOf('Current Page Task’s unique id')
In the join with, put in ','
Or if you want it set by a workflow action, use the same in a run javascript, with javascript to Bubble as you have.