How refresh form data with value from Do while loop

Hello Community,

I’ve seen some articles about interactive forms but I’m having trouble adapting them to my needs.
Basically for an Attended Automation, I would like to asynchronously show the user (in the Form) the current status of the work.

I have an In/Out variable in the Form where I pass the updated value but it is not reflected in the form.

For those who can give me guidance, I have attached the example (1.1 MB)