As the AG Block Shadow tool has several keypresses for certain operations, we suggest installing the free Astute Graphics plugin Astute Buddy, which creates a panel that dynamically updates to inform you of the various keys which can be pressed in the tool’s current context.
The AG Block Shadow tool is works in conjunction with the associated AG Block Shadow panel, which generally should be open and accessible. If you are using the free Astute Graphics plugin DirectPrefs, you can have the AG Block Shadow panel automatically be shown when the AG Block Shadow tool is selected.
The AG Block Shadow tool offers a graphical method for both adding and editing AG Block Shadow live effects.