Go ahead and pass the object containing the variable <em>username</em> equaling <code>req.user.username</code> into the render method of the profile view. Then go to your <code>profile.pug</code> view and add the line <code>h2.center#welcome Welcome, #{username}!</code> creating the h2 element with the class 'center' and id 'welcome' containing the text 'Welcome, ' and the username!
Submit your page when you think you've got it right. If you're running into errors, you can check out the project completed up to this point <ahref='https://gist.github.com/camperbot/136b3ad611cc80b41cab6f74bb460f6a'target='_blank'>here</a>.
testString: getUserInput => $.get(getUserInput('url')+ '/_api/server.js') .then(data => { assert.match(data, /username:( |)req.user.username/gi, 'You should be passing the variable username with req.user.username into the render function of the profile page'); }, xhr => { throw new Error(xhr.statusText); })