{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://iwant.fyi/.well-known/iwantfyi/schemas/1.1/outcome.json",
  "title": "OutcomeEvent",
  "description": "An outcome event reported back to close the demand-signal loop (iwant.fyi demand-side protocol v1.1 §7).",
  "type": "object",
  "required": ["want_id", "match_id", "event"],
  "properties": {
    "want_id": { "type": "string" },
    "match_id": { "type": "string" },
    "event": {
      "type": "string",
      "enum": ["viewed", "clicked", "started_checkout", "purchased", "abandoned", "not_purchased"]
    },
    "agent_id": { "type": "string", "description": "Required if the Want had origin.agent_id." },
    "timestamp": { "type": "string", "format": "date-time" },
    "value_cents": { "type": "integer", "description": "Required for purchased." },
    "metadata": { "type": "object" }
  }
}