Portlet Script To Display A Table In Custom Portlet In Dashboard

The client needs to display a custom portlet in their dashboard. The portlet should display a table that was created on an HTML page.

/**
 * @NApiVersion 2.1
 * @NScriptType Portlet
 */
define(['N/ui/serverWidget'],
    /**
 * @param{render} render
 * @param{serverWidget} serverWidget
 */
    function ( serverWidget) {
        /**
         * Defines the Portlet script trigger point.
         * @param {Object} params - The params parameter is a JavaScript object. It is automatically passed to the script entry
         *     point by NetSuite. The values for params are read-only.
         * @param {Portlet} params.portlet - The portlet object used for rendering
         * @param {string} params.column - Column index forthe portlet on the dashboard; left column (1), center column (2) or
         *     right column (3)
         * @param {string} params.entity - (For custom portlets only) references the customer ID for the selected customer
         * @since 2015.2
         */
        const render = (params) => {
            try {
                let portlet = params.portlet;
                portlet.title = 'KPI Custom Portlet'
                let html = '<iframe id="kpi_indicator" src="https://7036058-sb1.app.netsuite.com/core/media/media.nl?id=196674&c=7036058_SB1&h=L0LFGyzpVKhglzFj-R2pS4FCF-hraW_mtjD8Y2N7krV9vy7R&_xt=.html" width="100%" height="700"></iframe>'
                var graphField = portlet.addField({
                    id: '_graph',
                    type: 'inlinehtml',
                    label: 'Graph'
                });
                graphField.defaultValue = html;
            }
            catch (e) {
                log.debug("error",e);
            }

        }

        return {render}

    });