Categorization of all guests in the request. The sum of the Quantity attribute will provide you with the total number of guests.

This is used to specify age in years.

Identifies the location of the code table

Refer to OTA Code List Age Qualifying Code (AQC) or use StringLength1to8 with CodeContext to use a non-OTA code.

Identifies the source authority for the code.

Used to define the quantity for an associated element or attribute.