We need to add the script to handle the Align button's click event  (F24 key).
Select the script of ORD_MAINT – note the name FORMSCRIPT_9 may be different in your system:
!worddavaf485e25f57cd86bb5b0fc63f3f1b1cc.png|height=32,width=32!
Locate the vHandle_BUTTONCLICK: function(sButton) script block.
Add the JavaScript code to handle a click on the Align button.
           case KeyF24:
                 /* Signal this event and pass additional information  */
                 AVSIGNALEVENT("CUS_MAINT_ALIGN","FRAMEWORK",objListManager.NKey2\[0\],GETVALUE("ADDRESS"),GETVALUE("CITY"),GETVALUE("POSTALCODE"));
 
AVSIGNALEVENT is a RAMP API that allows you to broadcast an event across active RAMP screens and active Framework filters. For more information please refer to [<span style="color: #0000ee"><span style="text-decoration: underline; ">AVSIGNALEVENT Function</span></span>|lansa050_2375.htm#_Ref129503987].
Since the only keys allowed in this screen are Enter and F24, you can delete the other case statements so that the entire SWITCH block looks like this: 
switch (sButton)
        \{
           case KeyEnter:
                 SENDKEY(KeyEnter);
                 break;
           case KeyF24:
                 /* Signal this event and pass additional information  */
                 AVSIGNALEVENT("CUS_MAINT_ALIGN","FRAMEWORK",objListManager.NKey2\[0\],GETVALUE("ADDRESS"),GETVALUE("CITY"),GETVALUE("POSTALCODE"));
                 break;
              default:
                 SENDKEY(sButton);
                 break;
        \}
 
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