Content Model
MDDL covers the full range of instruments and related data including market and reference data. The content model is logically divided into domains and, in some cases, classes with properties specific to each type of data.

Scope of Content
Includes the scope of MDDL including a discussion of its original mandates and current representation of market data.

Products
Lists the various domains (products) and gives a description of each.

Terminology
Definitions of MDDL-specific uses of some common terms are provided here.

Latest Release
This is a link to the most recent release of the specification.

Glossary
An interactive, tabular view of the MDDL terms and definitions. Can be downloaded in ".CSV" format.

Controlled Vocabularies
Contains the latest version of MDDL's enumerated lists referenced via the "scheme" attribute.

Extending MDDL
Presents a discussion of how to - and NOT to - extend MDDL for specific data requirements.

Sample Fragments
This page describes the various atomic types used in MDDL and provides small fragments demonstrating the use of each.

Examples and Snippets
This section provides a collection of MDDL samples including complete examples and partial snippets for specific functionality.