/listener/addvaluelistener/"><code>addValueListener</code></a></li></ul></nav><section class="s1" id="/api/mergeable-store/interfaces/mergeable/mergeablestore/methods/listener/addvaluelistener/" data-id="aVL5"><h1><code>addValueListener</code></h1><div class="essential">Essential</div><p>The <code>addValueListener</code> method registers a listener function with the <a href="/api/the-essentials/creating-stores/store/"><code>Store</code></a> that will be called whenever data in a <a href="/api/store/type-ali