As you may know, 
Hyros is the leading Ad Tracking Software trusted to get accurate ad performance data.
Primary step is redirecting successful booking to your website or domain where the Hyros script is added. Check out the detailed steps below.
Setting up Hyros to track your page
Ensure you have placed the Universal Hyros script on your website..
Navigate to iClosed 
AI Scheduler → Events and
Create / update your events new event or
(Learn more about How to create your first event)
Redirect booking to your custom page where Hyros script is added
Make sure all your events are redirecting to your wesbite
Go to each event & Confirmation page section in Event editor:Select "Redirect to an external URL" from the drop down
Enter your "Thank you" webpage URL that is tracked by Hyros
and hit "Save & Continue" to confirm changes
Now, after booking your leads will be redirected to your custom landing page with the following parameters: Yourdomain/?assigned_to=Salesrep+&event_type_uuid=&event_type_name=+&event_start_time. etc...
Now it's time to create a rule on Hyros to auto-detect call booked.
Go to Hyros, Tracking → URL Rules, create a new rule
In tags pick "Call" and words to match : "event_start_time", click save
Pro tips
Once you've ran a test, but noticed that your data is not transferred to Hyros:
Reach out to iClosed Customer Support team via chat button for all issues that you may have experienced with your scheduler on your website
or
Reach out to Hyros Customer Support team for data not showing up in Hyros or contact your onboarding analyst directly for any questions you may have.