| event_dt | date | Date of the events | 2022-01-01 |
| event_client_ts | timestamp | Timestamp for which the event occurred | 2022-01-01 00:01:01 UTC |
| event_arrival_ts | timestamp | Timestamp for which the event arrived at GA (discrepancy might be for users being offline, for example) | 2022-01-01 00:01:01 UTC |
| game_id | int | game's unique identifier | 123456 |
| user_id | string | device identifier of the player (note the same user_id might be linked to multiple game_ids) | 01234abc-999z-a1a1-b2b2-dcba98765432 |
| player_id | string | player's unique identifier related to a single game, combination of game_id and user_id (note the same player_id will only be linked to a single game_id) | 0a1b1c2d3e5f8g13h21i34j55k89l144 |
| session_id | string | Session's unique identifier | 8xxxxxxx-4xxx-4xxx-4xxx-12xxxxxxxxxx |
| ad_sdk_name | string | Name of the ad provider | default |
| ad_placement | string | Placement/identifier of the ad within the game | default |
| ad_type | string | Type of ad | (video, rewarded_video, playable, interstitial, offer_wall, banner) |
| ad_action | string | Action made in relation to the ad | (clicked, show, failed_show, reward_received) |
| ad_fail_show_reason | string | Why the ad failed to show | (unknown, offline, no_fill, internal_error, invalid_request, unable_to_precache) |
| ad_duration | int | Duration in milliseconds that the ad was shown for | 5000 |
| custom_01 | string | Custom field 1 | online |
| custom_02 | string | Custom field 2 | multiplayer |
| custom_03 | string | Custom field 3 | coop |
| custom_fields | string | JSON string | {"ball_color":"red"} |