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How do I get the value of a field I added to a portlet:
```var container = params.portlet.addField({
                id: 'custpage_cdp_track_container',
                label: 'Enter Container',
                type: serverWidget.FieldType.TEXT
            });```


if you want to get it clientside, then you would use <https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4637582256.html|CurrentRecord.getValue>

getting it serverside after the submit button has been pressed depends on the service behind the target url

if its a suitelet, you probably will be using <https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4314803781.html|ServerRequest.parameters>

it's a portlet, here is the complete script:
```/**
 * @NApiVersion 2.x
 * @NScriptType Portlet
 * @NModuleScope SameAccount
 */
define(['N/ui/serverWidget'],
    /**
     * @param {portlet} portlet
     * @param {serverWidget} serverWidget
     */
    function(serverWidget) {
        /**
         *
         * @param {Object} params
         * @param {Portlet} params.portlet - The portlet object used for rendering
         * @param {number} params.column - Specifies whether portlet is placed in left (1), center (2) or right (3) column of the dashboard
         * @param {string} params.entity - (For custom portlets only) references the customer ID for the selected customer
         * @Since 2015.2
         */
        function render(params) {
            params.portlet.title = 'Container Tracking';
            var container = params.portlet.addField({
                id: 'custpage_cdp_track_container',
                label: 'Enter Container',
                type: serverWidget.FieldType.TEXT
            });
            var urlPre = '<https://connect.track-trace.com/container/>';
            var urlPost = '/action,direct';
            var url = urlPre + '' + urlPost;  //TODO: figure out how to get what was entered
            params.portlet.setSubmitButton({
                url: url,
                label: 'TRACK'
            });
            log.debug({
                title: 'container data',
                details: JSON.stringify(params)
            });
        }

        return {
            render: render
        };
    });```


your post button goes to <https://connect.track-trace.com>

What I mean, is how do I get what the user put into the portlet field I created

otherwise your browser will send it directly to the submit url as a form post

got it, ok, what if it is on a dashboard suiteapp

basically the user enters the container and then is taken to the tracking page