Work Metadata

Fields

Field	Type	Req	Description
`messages`	object	M	Registration metadata, ACK messages, and schema metadata (`schema`, `schemaDescription`)
`flags`	object	O	Boolean indicators from the registration record
`titles`	array	O	All titles for the work (original, alternate, non-Roman)
`identifiers`	array	O	All identifiers (ISWC, submitter work number, proprietary IDs)
`parties`	array	O	Ownership chain — writers and publishers with hierarchical `representedBy` nesting and per-territory shares (ownership and collection)
`recordings`	array	O	Commercial recordings (ISRC, album, label, release date)

Territorial shares

Shares are represented inside parties[].territories[]:

shareTypes[].type: "own" — ownership from SPU/OPU/SWR/OWR (empty TIS scope, not territory-coded)
shareTypes[].type: "coll" — collection percentages for that territory

See Interested Parties and Territories & Shares.

Minimal work object

{
  "messages": {
    "type": "nwr",
    "schema": "CWR-JSON Schema v1.0",
    "schemaDescription": "..."
  },
  "titles": [
    { "value": "BOHEMIAN RHAPSODY", "type": "TT" }
  ],
  "identifiers": [
    { "source": "iswc", "value": "T-000.000.001-0" },
    { "source": "submitterWorkNumber", "value": "EMI-00042" }
  ]
}

Complete work object

See Example: Simple NWR for a full work with parties and recordings.