Regarding the expression, please refer to the following link,
Hopefully there you can find what you are doing wrong
Hope it helps!
2 things to check:
Does the user that your are testing with have enough rights to acces the microflow? Otherwise it will not show as visible?
2nd thing is that the syntax to check on empty can be better done as trim($currenobject/sessioninfo) = ‘’
This will also check on ‘’ string value.
user has access to the microflow and page I am currently testing the admin user.i tried this trim($currenobject/sessioninfo) = ‘’condition still not working