Hi all,
We are building a Power app in which we need to show a PDF using a PDF Viewer. To do this, I'm building a Flow as follows;

This used to work a couple of months ago but now, in the Initialize Variable step, I can no longer set the expression to
trigger()['outputs']['queries']['path']
as I get the below error:

does this mean that trigger()['outputs']['queries']['path'] cannot be used anymore? What are the other possibilities in this case?
Thanks in advance.