To assign a command to a menu item:
/* Create a menu
item that displays a message to the
** end user:
**
** Create a menu item (on any menu) and give it a name of
** DISP_MSG and a label "Display Message". In the Property
** Palette, verify that the item's Menu Item Type property
** is set to Plain, and its Command Type property is set to
** PL/SQL. Double-click the Command Text property field to
** display the PL/SQL Editor. Enter the following:*/