How to find all the defined variables in Progress-4gl?

I was asked to administer the server progress 10.2B on SLES and software system written on it. After half a year, I began understand the intricacies of working with this server and procedures written in ABL. Since I do not have anything except consoles and notebook parsing, certain procedures are more complicated.

Recently, figuring in a long chain of procedures, I had a question: is there any possibility to find out what variables, global variables, shared variables are defined at a particular point of performing a certain procedure?

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