The Script Toolbar Manager command opens the Customize panel (View, Toolbars, Customize) for toolbar customization and directly opens the Script frame so that scripts and the icons can be added, edited or removed. The Add and Edit commands simply open the Add Script dialog. For Edit the dialog is renamed Edit Script and is automatically populated with the script and icon which were selected in the Customize panel. Otherwise the Add Script or Edit Script dialog operates as described in Script, Add script to toolbar and can be used to select a script and icon.
Unique to the Customize panel will be the option to Remove a script and its associated icon from the Script toolbar. Also, by selecting a script in the list and using the up and down arrows just below the list, you can change the order in which your script icons appear on the toolbar.