{ "$id":                      "https://schemas.mpai.community/TFA/V1.5/data/CertificateQualifier.json",
  "$schema":                  "https://json-schema.org/draft/2020-12/schema",

  "title":                    "CertificateQualifier",
                              "description": "Qualifier for certificates describing subtypes, formats, and implementation-defined attributes.",
                              "type": "object", "required": [ "Header", "CertificateQualifierID", "SubType", "Format", "Trace" ],
                              "additionalProperties": false, "properties": {

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

    "MInstanceID":            { "type": "string" },

    "CertificateQualifierID": { "type": "string" },

    "SubType":                { "type": "object", "additionalProperties": false, "properties": {
        "Categories":           { "type": "array", "items": { "type": "string", "enum": [ "Real", "Virtual" ] },
                                "minItems": 1, "uniqueItems": true } } },

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

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

      "OtherCertificateFormats":{ "$ref": "https://schemas.mpai.community/TFA/V1.5/formats/CertificateFormats.json" } } },

    "Attributes":             { "type": "object", "additionalProperties": true },

    "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 } } }