Suitelet for checking the customer existence in NetSuite

/**
 * @NApiVersion 2.x
 * @NScriptType Suitelet
 * @NModuleScope SameAccount
 */
/**

* Script Description

* This suitelet to search customer.

*/

/*******************************************************************************
 * 
 * 
 * NetSuite Name :HRP-1 SL Customer Search
 * Script ID: customscript_jj_customer_search
 * 
 * *****************************************************************************
 * 
 *  
 * $Author: Jobin & Jismi IT Services LLP $
 * 
 * DESCRIPTION
 * Suitelet to search customer to find the duplicate.
 * 
 * Date Created :16-02-2019
 * 
 * REVISION HISTORY Update:
 * 
 * 
 * 
 ******************************************************************************/
define(['N/file', 'N/search', 'N/runtime', 'N/record', 'N/https', 'N/encode', 'N/ui/serverWidget', 'N/email'],
    function(file, search, runtime, record, https, encode, serverWidget, email) {
        var main = {
            onRequest: function(context) { 
                var email = context.request.parameters.email;
                var aup_id = context.request.parameters.aup_id;

                var filterarray=[];
            

                
                var customerSearchObj = search.create({
                    type: "customer",
                    filters:
                    [
                      
                       ["email","is",email], 
           
                     ],
                    columns:
                        [
                            search.createColumn({
                                name: "entityid",
                                sort: search.Sort.ASC,
                                label: "Name"
                            }),
                            search.createColumn({ name: "email", label: "Email" }),
                            search.createColumn({ name: "phone", label: "Phone" })
                        ]
                });
               
                var found = customerSearchObj.runPaged().count>0?true:false;
            
               if(found)context.response.write("ALREADY_EXISTS");
               else context.response.write("ALREADY_NOT_EXISTS");
            }
        }
        for (var key in main) {
            if (typeof main[key] === 'function') {
                main[key] = trycatch(main[key], key);
            }
        }
        function trycatch(myfunction, key) {
            return function() {
                try {
                    return myfunction.apply(this, arguments);
                } catch (e) {
                    log.debug("e in  " + key, e);
                }
            }
        };
        return main;
    });