{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://registry.trustoverip.org/dtg/vsc/witnessed/1/witness-context.schema.json",
  "title": "witnessContext",
  "description": "Context of the witnessing event, carried as the optional credentialSubject.witnessContext member of a statement under https://registry.trustoverip.org/dtg/vsc/witnessed/1. Every member is optional. The member set is part of this predicate version and is frozen with it; a new member is a new version.",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "event": {
      "type": "string",
      "description": "Human-readable event name."
    },
    "sessionId": {
      "type": "string",
      "description": "Session or nonce identifier."
    },
    "method": {
      "type": "string",
      "description": "Verification method used, for example in-person-proximity."
    }
  }
}