| 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 |
| flow_type | string | either Sink (virtual currency lost) or Source (virtual currency gained) | Sink |
| currency | string | name of the virtual currency used, e.g. Gems | Gems |
| amount | float | Amount of virtual currency for that particular event id (event_id e.g. "Sink:Gems:Armour:IronArmour") | -20 |
| item_type | string | item type, depending on the game, e.g. "Armour" | Armour |
| item_id | string | item id, depending on the game, e.g. "IronArmour" | IronArmour |
| custom_01 | string | Custom field 1 | online |
| custom_02 | string | Custom field 2 | multiplayer |
| custom_03 | string | Custom field 3 | coop |
| value | float | Custom value | 33 |
| custom_fields | string | JSON string | {"ball_color": "red"} |