{
  "type": "object",
  "description": "A single skill, qualification, or credential held by a candidate. The attested flag and proof_request_url are optional — allowing the schema to function in early-stage ecosystems where VC infrastructure is not yet universal. As VCs become available for specific skills, the proof_request_url can be populated without any schema change. ",
  "required": [
    "category",
    "subtype",
    "attested"
  ],
  "properties": {
    "category": {
      "type": "string",
      "description": "Broad class of the credential or skill held.",
      "x-jsonld-id": "se:category",
      "enum": [
        "SKILL",
        "DEGREE",
        "EXPERIENCE",
        "LICENSE",
        "CERTIFICATION",
        "ACCREDITATION",
        "AFFILIATION",
        "OTHER"
      ]
    },
    "subtype": {
      "type": "string",
      "description": "Specific skill or credential. Examples: \"AWS_SAA\", \"BTECH_CS\", \"LMV_LICENSE\", \"Java_SE_11\", \"CNC_Operator_Level2\". ",
      "x-jsonld-id": "se:subtype"
    },
    "level": {
      "type": "string",
      "description": "Optional proficiency or qualification level. Examples: \"BEGINNER\", \"PROFESSIONAL\", \"ADVANCED\", \"3_YEARS_EXP\", \"NQF_Level_4\". ",
      "x-jsonld-id": "se:level"
    },
    "attested": {
      "type": "boolean",
      "description": "Whether this skill entry is backed by a verifiable credential (VC). false = self-declared (no VC yet); true = VC exists and is resolvable via proof_request_url. Employers can discover self-declared skills but know they are unverified. ",
      "x-jsonld-id": "se:attested"
    },
    "proof_request_url": {
      "type": "string",
      "format": "uri",
      "description": "URL of the DeDi proof-request endpoint scoped to this specific credential. Only present when attested = true. An employer BAP can call this endpoint to trigger a Verifiable Presentation (VP) request. The VC payload itself never leaves the holder's wallet — only a signed verification response is returned by the orchestrator. Example: \"https://dedi.example.net/proof-request/did:ex:123/skill/AWS_SAA\" ",
      "x-jsonld-id": "se:proofRequestUrl"
    }
  },
  "$id": "https://schema.nfh.global/SkillEntry/v2.1",
  "x-iri": "https://schema.nfh.global/SkillEntry/v2.1",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "SkillEntry"
}