How to get a code of member from SmartList via Groovy?

Hello All,

We are trying to create members via groovy, and for that we created a webform with the Business Rule Groovy attached which creates members in a dimension and move them to other members. In the webform, user will be able to choose the parent from SmartList to which he would like to move the member created.

But I think groovy rule doesn't want to move the member because the smartlist shows Alias of members in the form so the groovy rule doesn't want to recognize the member because user selects its alias and not the code :

in the script at first I declared the smartlist :