An agent tracks an object for updates.<br/><br/> Related actions:<br/><br/> <ul> <li><a class="localLink" href="http://schema.org/FollowAction">FollowAction</a>: Unlike FollowAction, TrackAction refers to the interest on the location of innanimates objects.</li> <li><a class="localLink" href="http://schema.org/SubscribeAction">SubscribeAction</a>: Unlike SubscribeAction, TrackAction refers to the interest on the location of innanimate objects.</li> </ul>