You can subsequently edit which parameter a variable represents in which procedure. In another list, you can change the value that a variable has when the procedure is executed (Editing values of procedure variables).
1. On the Calculate menu, click Procedure variables > Definitions.
The List (procedure variables: definitions) opens.
2. In the list, select the variables whose definition you would like to edit.
3. Above the list, click the 
Edit symbol.
The Edit procedure variable window opens.
4. Edit the desired variable (Creating procedure variables).
5. Confirm with OK.
The definition is changed.
