2 Cardholder Data Schema

The Cardholder Data Schema (CDS) describes the structure and possible data values of the Thredd Cardholder XML file.

You can validate the Cardholder XML files you receive against the Schema (XSD) fileClosed A schema (XSD) file describes the structure and possible data values of the Cardholder XML report You can validate the XML files you receive against the Schema (XSD file) to check it is in the correct format. to check it is in the correct format.

The CDS is an evolving standard and is subject to change as the standard evolves. When we make changes to the CDS, we will implement a new version and notify you.

2.1 Schema Versions

The schema is not publicly available. Thredd sends schema files when a new version of the XML is published. The schema filename indicates the schema version number. The schema file contains a comments section with details of version changes.

2.2 Schema Elements

An XML file conforming to the schema consists of the following elements:

  • Primary elements

  • Sub-elements and attributes