How can we pass the values got from select item activity to list or array in order to loop it.
you can add value to the list by using add to collection activity
You can also check this old thread: How to get all values of dropdown?
This is for find children and get attribute activity.how it comes for Select item activity
May we ask you to get us the information which application type is used: SAP? (other types are Webapplication, Desktop…)