We have Odoo 16 JavaScript code that we are wanting to update to Odoo 18 code which is as follows: -

odoo.define('module.custom_entry_form', function (require) {

'use strict';

    var viewRegistry = require('web.view_registry');

    var core = require('web.core');

    var FormController = require('web.FormController');

    var FormView = require('web.FormView');

    var FormRenderer = require('web.FormRenderer');

    var QWeb = core.qweb;

    const { Component } = owl;

    var CustomEntryFormController = FormController.extend({

        events: {

            'click': '_onClick',

        },

        custom_events: _.extend({}, FormController.prototype.custom_events, {

            open_create_event: '_openCreateEvent',

            open_edit_event: '_openEditEvent',

        }),...

Odoo 18 doesn't seem to recognize the 'custom_events:' keyword and I am wondering what I am missing or how to implement this?

Our current Odoo 18 code (which isn't working) is: -

/** @odoo-module **/

import { FormController } from "@web/views/form/form_controller";
import { formView } from "@web/views/form/form_view";
import { registry } from "@web/core/registry";
import { useListener } from "@odoo/owl";

export class CustomEntryFormController extends FormController {
    setup() {
        super.setup();
        // You can handle any setup logic for your custom form controller
    }
    events: _.extend({}, FormController.prototype.events, {
            'open_create_event': '_openCreateEvent',
    })...

Any help would be most appreciated.