{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/encore-dev/main/json-schema/encore-trace-event-schema.json",
  "title": "Encore Trace Event",
  "description": "Schema describing a single span/event captured by Encore's distributed tracing for an API request, database query, Pub/Sub publish, cron tick, or outbound HTTP call.",
  "type": "object",
  "required": ["trace_id", "span_id", "kind", "started_at"],
  "properties": {
    "trace_id": { "type": "string" },
    "span_id": { "type": "string" },
    "parent_span_id": { "type": ["string", "null"] },
    "kind": {
      "type": "string",
      "enum": ["api_request", "rpc_call", "db_query", "db_transaction", "pubsub_publish", "pubsub_message", "cron_run", "http_call", "log"]
    },
    "service": { "type": "string" },
    "endpoint": { "type": "string" },
    "started_at": { "type": "string", "format": "date-time" },
    "duration_ns": { "type": "integer" },
    "status": {
      "type": "string",
      "enum": ["ok", "error"]
    },
    "error": {
      "type": ["object", "null"],
      "properties": {
        "code": { "type": "string" },
        "message": { "type": "string" },
        "stack": { "type": "string" }
      }
    },
    "attributes": {
      "type": "object",
      "additionalProperties": true
    }
  },
  "additionalProperties": false
}