{
  "schema_name": "sample_events_json",
  "schema_version": 3,
  "artifact_suffix": ".events.json",
  "format": "json",
  "row_grain": "one JSON object per WebDataset sample, containing a sparse event list",
  "description": "Sparse anonymized gameplay event log for one POV sample window. Identity and tick-window metadata live in the paired sample metadata JSON and release indices; this sidecar intentionally contains only the approved event list.",
  "privacy_boundary": {
    "contains_steam_ids": false,
    "contains_online_account_ids": false,
    "contains_player_names": false,
    "player_reference": "All participant references are pov_idx values or null."
  },
  "top_level_fields": [
    {
      "name": "events",
      "type": "list<object>",
      "required": true,
      "description": "Events sorted by tick, then type. May be empty."
    }
  ],
  "event_base_fields": [
    {
      "name": "tick",
      "type": "int64",
      "required": true,
      "description": "Absolute demo tick for the event."
    },
    {
      "name": "frame_idx",
      "type": "int32",
      "required": true,
      "description": "Video frame index corresponding to the event tick, floor-aligned to the sample start."
    },
    {
      "name": "type",
      "type": "enum",
      "required": true,
      "valid_values": [
        "round_freeze_end",
        "buytime_ended",
        "round_end",
        "round_officially_ended",
        "player_death",
        "player_blind",
        "bomb_beginplant",
        "bomb_planted",
        "bomb_begindefuse",
        "bomb_defused",
        "bomb_exploded",
        "bomb_dropped",
        "bomb_pickup",
        "item_pickup",
        "item_equip",
        "weapon_zoom"
      ],
      "description": "Public event type."
    }
  ],
  "event_types": {
    "round_freeze_end": {
      "description": "Round freezetime ended; player control becomes live.",
      "additional_fields": []
    },
    "buytime_ended": {
      "description": "Buy period ended.",
      "additional_fields": []
    },
    "round_end": {
      "description": "Round ended with winner/reason when available.",
      "additional_fields": [
        {
          "name": "winner",
          "type": "enum<T,CT>",
          "required": false
        },
        {
          "name": "reason",
          "type": "string_or_int",
          "required": false
        }
      ]
    },
    "round_officially_ended": {
      "description": "Post-round period officially ended.",
      "additional_fields": []
    },
    "player_death": {
      "description": "Player death/kill event.",
      "additional_fields": [
        {
          "name": "attacker_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "victim_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "assister_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "weapon",
          "type": "string_or_null",
          "required": false,
          "description": "Sanitized weapon string; not a player identifier."
        },
        {
          "name": "headshot",
          "type": "bool",
          "required": false
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false,
          "description": "Whether this sample's POV was attacker, victim, or assister."
        },
        {
          "name": "noscope",
          "type": "bool",
          "required": false
        },
        {
          "name": "penetrated",
          "type": "int32",
          "required": false
        }
      ]
    },
    "player_blind": {
      "description": "A player was blinded by a flashbang.",
      "additional_fields": [
        {
          "name": "attacker_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "victim_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "blind_duration",
          "type": "float32",
          "required": false,
          "unit": "seconds"
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false
        }
      ]
    },
    "bomb_beginplant": {
      "description": "A player began planting the C4.",
      "additional_fields": [
        {
          "name": "by_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "site",
          "type": "string_or_int",
          "required": false
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false
        }
      ]
    },
    "bomb_planted": {
      "description": "C4 planted.",
      "additional_fields": [
        {
          "name": "by_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "site",
          "type": "string_or_int",
          "required": false
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false
        }
      ]
    },
    "bomb_begindefuse": {
      "description": "A player began defusing the C4.",
      "additional_fields": [
        {
          "name": "by_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "haskit",
          "type": "bool",
          "required": false
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false
        }
      ]
    },
    "bomb_defused": {
      "description": "C4 defused.",
      "additional_fields": [
        {
          "name": "by_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "site",
          "type": "string_or_int",
          "required": false
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false
        }
      ]
    },
    "bomb_exploded": {
      "description": "C4 exploded.",
      "additional_fields": [
        {
          "name": "by_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "site",
          "type": "string_or_int",
          "required": false
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false
        }
      ]
    },
    "bomb_dropped": {
      "description": "C4 dropped.",
      "additional_fields": [
        {
          "name": "by_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false
        }
      ]
    },
    "bomb_pickup": {
      "description": "C4 picked up.",
      "additional_fields": [
        {
          "name": "by_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false
        }
      ]
    },
    "item_pickup": {
      "description": "Player picked up an item or weapon.",
      "additional_fields": [
        {
          "name": "by_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "item",
          "type": "string",
          "required": false
        },
        {
          "name": "defindex",
          "type": "int32",
          "required": false
        },
        {
          "name": "silent",
          "type": "bool",
          "required": false
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false
        }
      ]
    },
    "item_equip": {
      "description": "Player equipped an item or weapon.",
      "additional_fields": [
        {
          "name": "by_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "item",
          "type": "string",
          "required": false
        },
        {
          "name": "defindex",
          "type": "int32",
          "required": false
        },
        {
          "name": "weptype",
          "type": "int32",
          "required": false
        },
        {
          "name": "canzoom",
          "type": "bool",
          "required": false
        },
        {
          "name": "issilenced",
          "type": "bool",
          "required": false
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false
        }
      ]
    },
    "weapon_zoom": {
      "description": "Player toggled weapon zoom/scope.",
      "additional_fields": [
        {
          "name": "by_pov",
          "type": "int32_or_null",
          "required": false
        },
        {
          "name": "pov_involved",
          "type": "bool",
          "required": false
        }
      ]
    }
  },
  "excluded_v1_event_types": [
    "player_hurt",
    "weapon_fire",
    "weapon_reload",
    "grenade_thrown",
    "flashbang_detonate",
    "hegrenade_detonate",
    "smokegrenade_detonate",
    "smokegrenade_expired",
    "inferno_startburn",
    "inferno_expire",
    "decoy_started",
    "decoy_detonate",
    "player_sound",
    "player_footstep",
    "fire_bullets",
    "player_chat",
    "chat_message",
    "server_message"
  ],
  "validation": [
    "top-level JSON object has exactly an events list",
    "events are sorted by tick and type",
    "each event has tick, frame_idx, and type",
    "each event type is in event_base_fields.type.valid_values",
    "frame_idx is nonnegative",
    "no serialized field name or value contains steamid, xuid, accountid, profile URL, hltv_match_id, or player name"
  ]
}