Custom Button event handling code

addCustomButtonJS.php

<?php
/**
 * Copyright 2015 SugarCRM Inc.  Licensed by SugarCRM under the Apache 2.0 license. 
 */
//Loop through the groupings to find grouping file you want to append to
foreach ($js_groupings as $key => $groupings)
{
    foreach  ($groupings as $file => $target)
    {
        //if the target grouping is found
        if ($target == 'include/javascript/sugar_grp7.min.js')
        {
            //append the custom JavaScript file to existing grouping
            $js_groupings[$key]['custom/modules/Accounts/myCustomButton.js'] = 'include/javascript/sugar_grp7.min.js';
        }

        break;
    }
}

myCustomButton.js

(function(app){
/**
 * Copyright 2015 SugarCRM Inc.  Licensed by SugarCRM under the Apache 2.0 license. 
 */
    //Run callback when Sidecar metadata is fully initialized
    app.events.on('app:sync:complete', function(){
        
        //When a record layout is loaded...
        app.router.on('route:record', function(module){
            //AND the module is Accounts...
            if(module === 'Accounts') {
                //AND the 'button:custom_button:click' event occurs on the current Context
                app.controller.context.on('button:custom_button:click', function(model){
                    console.log("Custom Button event triggered on: " + model.get("name"));
                    //Show an alert on screen
                    app.alert.show('custom-message-id', {
                        level: 'success',
                        messages: 'It worked!',
                        autoClose: true
                    });
                });
                //No off() needed.  See note later in blog post.
            }
        });
        
    });
})(SUGAR.App);