{
  "schema_name": "match_events_parquet",
  "schema_version": 2,
  "artifact_pattern": "match_events/match_{match_id}.parquet",
  "format": "parquet",
  "row_grain": "one row per sanitized parsed game event",
  "description": "Anonymized full-match event stream derived from approved non-text parser game events. The match_id is encoded in the artifact path. This is broader than per-sample events.json and keeps payloads sanitized. Raw chat/text events are excluded.",
  "sort_order": [
    "tick",
    "event_type"
  ],
  "privacy_boundary": {
    "contains_steam_ids": false,
    "contains_online_account_ids": false,
    "contains_player_names": false,
    "contains_raw_chat_text": false,
    "excluded_event_types": [
      "player_chat",
      "chat_message",
      "server_message"
    ],
    "payload_policy": "SteamID, XUID, accountid, name-like fields, and raw chat/text events are dropped or mapped to pov_idx references before serialization."
  },
  "columns": [
    {
      "name": "tick",
      "arrow_type": "int64",
      "nullable": false,
      "description": "Absolute demo tick. Tick -1 is allowed for parser/global events that are not associated with a gameplay tick."
    },
    {
      "name": "round_idx",
      "arrow_type": "int64",
      "nullable": false,
      "description": "Zero-indexed round number. -1 means the event is outside a release round window."
    },
    {
      "name": "event_type",
      "arrow_type": "string",
      "nullable": false,
      "description": "Parser event name."
    },
    {
      "name": "user_pov",
      "arrow_type": "int16",
      "nullable": true,
      "description": "Primary user POV reference if present."
    },
    {
      "name": "attacker_pov",
      "arrow_type": "int16",
      "nullable": true,
      "description": "Attacker POV reference if present."
    },
    {
      "name": "victim_pov",
      "arrow_type": "int16",
      "nullable": true,
      "description": "Victim POV reference if present."
    },
    {
      "name": "assister_pov",
      "arrow_type": "int16",
      "nullable": true,
      "description": "Assister POV reference if present."
    },
    {
      "name": "payload_json",
      "arrow_type": "string",
      "nullable": false,
      "description": "Canonical JSON object with sanitized event payload fields."
    }
  ],
  "validation": [
    "no denied identity columns are present",
    "payload_json parses as JSON object",
    "payload_json does not contain steamid, xuid, accountid, profile URL, hltv_match_id, or player-name fields",
    "pov reference columns are null or in [0, 9] for complete 10-POV matches"
  ]
}