TamperMonkey/GreaseMonkey script to extend apigee dashboard by adding a dropdown list of custom attribute names of your choice.

Apigee Add Developer User Script.tamper.js

// ==UserScript==
// @name       Apigee Add Developer User Script
// @namespace  http://ap.org/
// @version    0.9
// @description  This allows easier adding of custom properties
// @match      https://enterprise.apigee.com/platform/*
// @copyright  2014+, dlegaspi@ap.org
// @require    http://code.jquery.com/jquery-latest.js
// ==/UserScript==

$(document).ready(function() {
    // the dashboard uses AngularJS but we're using jQuery
    // upon loading completion, the page makes an async 
    // call to get its data...but instead of intercepting
    // and or injecting the code on callback completion
    // we're just doing this the "lazy" way and just check
    // if the XML nodes of interest already exist
    
    setInterval(function() { 
        var t = $( "input[ng-model='options.editableAttributeName']" )
        if (!t.next().is('datalist')){
            t.after('\
<datalist id="APattrs"> \
<option value="Basic Auth Username">Basic Auth Username</option> \
<option value="Basic Auth Password">Basic Auth Password</option> \
<option value="Company">Company</option> \
<option value="MDM ID">MDM ID</option> \
<option value="Org ID">Org ID</option> \
<option value="Throttle">Throttle</option> \
<option value="Quota">Quota</option> \
</datalist>');
            t.attr('list', 'APattrs')
        }
    }, 500)
});