var browser, result;
 var opts = Browser.chromeOptions();
 opts.capabilities.alwaysMatch['goog:chromeOptions'].args = []
 browser = new Browser(opts);
 browser.setScreenSize(Number(1980), Number(1020));
 
 screens = [];
 const screenshot = '';
 const res_value = '';
 try {
    var params = JSON.parse(value); // Parse the JSON string containing parameters passed from Zabbix.
    browser.navigate(params.url);
    browser.collectPerfEntries();
    result = browser.getResult();
    //result.screenshot = browser.getScreenshot();
    return JSON.stringify(result);
 }
 catch (err) {
 if (!(err instanceof BrowserError)) {
 browser.setError(err.message);
 }

browser.collectPerfEntries();
result = browser.getResult();
//result.screenshot = browser.getScreenshot();
 return JSON.stringify(result);
 }