How can I get my Eventbrite personal OAuth token key?

Follow below mention steps to get your Eventbrite personal OAuth token:

Go to Eventbrite. If you have already registered with Eventbrite then Sign In, else Signup.
Hover over your Profile menu in the top-right corner and select Account settings.
Open the Developer Links menu.
Under Developer Links, select API Keys.
Click the Create API key button.
Provide the Contact Information and Application Details, then tickmark the Terms Of Use checkbox and click the Create Key button.  
Note: In the Application URL field, paste the below URL: https://https://mediamatrixsa.myapparea.com/app/eventbrite-callback.
Once your API key is created, click Show API key, Client secret and Tokens.
Copy the Private Token key.
Paste the copied Private Token key in the required field on the creator software.