A MPD Catalog is an XML document that contains basic information about the package (name, description, purpose, etc.) and a listing of the package’s key artifacts. It is a required artifact in an IEPD.
The MPD Catalog establishes identification metadata, conformance targets, purpose, general content, lineage, and other metadata. Metadata includes:
The MPD Specification defines a MPD Catalog as a conformance target, with a set of rules that must be followed in order to be considered conformant.
The first step is to make sure that the catalog file validates against its MPD Catalog XML Schema.
See the following sections from the
MPD Specification for more information about the catalog file: