Hi Daniela and welcome to the Community!
In EasyMorph, workflows can be parameterized. You can provide parameter values before starting a workflow, so you can provide different parameter values on each run. Note that parameters are not prompted in a popup box. Instead, they are specified in the sidebar, before launching a workflow.
The best way to learn about parameters is to read the tutorial article on parameters here: EasyMorph | Project parameters.
The tutorial is pretty good, btw. I would highly recommend at least scan through the tutorial. You can start here: EasyMorph | Learn
Also, you may want to check out this article, written by someone who worked with Alteryx and EasyMorph: Transitioning from Alteryx to EasyMorph.