selenium-event-creation.js

var webdriverio = require('webdriverio'),
    moment = require('moment');
var options = {
    desiredCapabilities: {
        browserName: 'firefox'
    }
};

var password = process.env.FACEBOOK_PASSWORD,
    email = process.env.FACEBOOK_EMAIL,
    eventDescription =
    `Event description here.
    
    Supports multiline strings hooray!`,
    date = moment().weekday(5).format('l');

webdriverio
    .remote(options)
    .init()
    .url('https://www.facebook.com/groups/000000000000000/')
    .setValue('#email', email)
    .setValue('#pass', password)
    .click('input[name="login"]')
    .click('a[href="/groups/000000000000000/events/"]')
    .waitForExist('.fbCalendarHeader .uiHeaderActions > a[role="button"]', 10000)
    .click('.fbCalendarHeader .uiHeaderActions > a[role="button"]')
    .waitForExist('input[name="title"]', 10000)
    .setValue('input[name="title"]', 'Event Name')
    .setValue('textarea', eventDescription)
    .setValue('input[name="location"]', 'Location Name')
    .setValue('input[name="when_dateIntlDisplay"]', date)
    .setValue('input[name="when_time_display_time"]', '4:00 pm')
    .click('form > div > table > tbody > tr > td:nth-child(2) > button')
    .title(function(err, res) {
        console.log('Title was: ' + res.value);
    })
    .end();