To verify that you are indeed a human, the system requires you to press and hold a button on your keyboard. This process is designed to prevent automated bots from accessing the platform.
The reference ID provided is a unique code that is generated each time you attempt to complete this step. By pressing and holding the specified key combination, you confirm that you meet the required criteria.
If successful, the system will acknowledge your confirmation and allow you to proceed with your request. Please note that failing to comply with this verification process may result in account restrictions or limitations.
Source: https://www.sfchronicle.com/entertainment/article/just-like-that-finale-20814218.php