Unable to initiate the app

Hi devs!

Sometimes when I activate the ticket side bar application it couldn’t initiate, and throws the “app is not defined” error.

async function init() {
  client = await app.initialized(); // the app is not defined!

But this doesn’t occur on every ticket.

can anyone help me figure this out?

Thanks in advance!

Hi Benne Immanuel,

I think you need to call the init function only after the document content is loaded other wise it won’t work as expected.

I hope it helps :slightly_smiling_face:


Any code example…?

because I checked many examples on git, yet the app is not loading at all.

Hey @Bene_Immanuel
The link you shared contains a valid code example. Should work.

I just had a look into what I recently deployed in the contact sidebar and does look pretty similar:

document.onreadystatechange = function () {
  if (document.readyState === 'interactive') renderApp();

  function renderApp() {
    var onInit = app.initialized();


    function getClient(_client) {
      window.client = _client;
      client.events.on('app.activated', onAppActivate);
      client.instance.resize({height: '120px'});
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