title: Getting list of topics via JS Unified Api
body: <p>I am trying to get the list of all the topics in my diffusion instance. I have multiple root topics, all of which have its own child topics. I just need to get whatever is on the server with its hierarchy. I've contacted diffusion support for this and they informed me there is no such method in the JS api. Is this doable at all?</p>
  
  <p>I am on last build of diffusion 5.9 right now.</p>