How to change embed api headers?

Question

Google

Hello, I've been suffering for 4 hours, I can not solve the problem. How to change headers?
From this:
To do this:
Here is the code:

var activeUsers = new gapi.analytics.ext.ActiveUsers({
    container: 'active-users-container',
    pollingInterval: 5
  });

Here is a link to the documentation , I already learned everything by heart.
PS I tried to change something like this

document.body.innerHTML = document.body.innerHTML.replace('hello', 'hi');

Everything crashes right away.