 declares the function to be a computed property, and the arguments tell Ember that it depends on the <code>firstName</code> and <code>lastName</code> attributes.</p>
<p>Whenever you access the <code>fullName</code> property, this function gets called, and it returns the value of the function, which simply calls <code>firstName</code> + <code>lastName</code>.</p>
</section>
<h4 id="toc_alternate-invocation">Alternate invocation <a href="#toc_alternate-invocation"><svg xmlns="http://www.w3.org/2000/svg" view