title: custom action notification icons in just audio
body: <p>How can I give notification icons optional functionality?</p>
  <p>In addition to the normal function of the icons, I want to give other optional functions to the icons
  For example, after the next hit, another function is executed and ..</p>
  <p><strong>In fact, I want to listen to the changes of the main actions (next, previous, pause ..)</strong></p>