Confusing or incomplete API Documentation

When using the nylas Confirm Booking Api as documented here
the Salt in the request body is described as follows:

The salt extracted from the booking reference embedded in the organizer confirmation link, encoded as a URL-safe base64 string (without padding).

how ever there is no explanation on how to extract the salt from the booking reference! we have experimented with multiple different approaches and have searched the documentaion throughly with no luck!

@ram there is also a similar question here that is unanswered.

Please advise as where and how we can get the Salt needed for this API.

@kayvannj thanks for the message, will take a look and circle back.

The previous message Custom-confirmation bookings shouldn't need salt to confirm - #2 by ram was responded to separately, should have shared it on the post, so will look up the response.

@kayvannj have a look at decode the booking reference that shares a code sample to retrieve the salt.