{ "$id":                          "https://schemas.mpai.community/TFA/V1.4/data/DiscoveryQualifier.json",
  "$schema":                      "https://json-schema.org/draft/2020-12/schema",

  "title":                        "DiscoveryQualifier",
                                  "description": "Categories, formats and metadata for discovery content.",
                                  "type": "object", "required": [ "Header", "DiscoveryQualifierID", "Format", "Trace" ],
                                  "additionalProperties": false, "properties": {

    "Header":                     { "type": "string", "pattern": "^TFA-DVQ-V[0-9]{1,2}[.][0-9]{1,2}$" },

    "DiscoveryQualifierID":       { "type": "string" },

    "Format":                     { "type": "object", "additionalProperties": false, "properties": {

      "MPAIContentFormat":        { "$ref": "https://schemas.mpai.community/MMM4/V2.1/data/BasicDiscovery.json" },

      "OtherContentFormats":      { "$ref": "https://schemas.mpai.community/TFA/V1.4/formats/DiscoveryFormats.json" } } },

    "DataExchangeMetadata":       { "$ref": "https://schemas.mpai.community/AIF/V3.0/data/DataExchangeMetadata.json" },
    "Trace":                      { "$ref": "https://schemas.mpai.community/AIF/V3.0/data/Trace.json" },
    "DescrMetadata":              { "type": "string", "maxLength": 2048 } } }