| XMPMetadataPDFA | PDFA Metadata. | code | html |
| XMPSchemaPDFAField | Define XMP properties used PDFA extension schema description schemas. | code | html |
| XMPSchemaPDFAId | Define XMP properties used PDFA extension schema description schemas. | code | html |
| XMPSchemaPDFAProperty | Define XMP properties used PDFA extension schema description schemas. | code | html |
| XMPSchemaPDFASchema | Define XMP properties used PDFA extension schema description schemas. | code | html |
| XMPSchemaPDFAType | Define XMP properties used PDFA extension schema description schemas. | code | html |