{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/sift-com/json-schema/sift-verification-schema.json",
  "title": "Sift Verification",
  "description": "A Sift verification challenge or check.",
  "type": "object",
  "properties": {
    "$user_id": { "type": "string" },
    "$send_to": { "type": "string", "description": "Phone or email destination." },
    "$verification_type": {
      "type": "string",
      "enum": ["$sms", "$email", "$phone", "$face", "$fingerprint", "$push", "$security_key"]
    },
    "$verified_event": { "type": "string", "description": "Parent Sift event being verified." },
    "$verified_entity_id": { "type": "string" },
    "$brand_name": { "type": "string" },
    "$language": { "type": "string" },
    "$code": { "type": "integer", "description": "User submitted verification code." },
    "$reason": { "type": "string" },
    "$shared_knowledge": { "type": "object" }
  },
  "required": ["$user_id"]
}