| Name | Description | Type | Additional information |
|---|---|---|---|
| sender | BotUser |
None. |
|
| recipient | BotUser |
None. |
|
| timestamp | string |
None. |
|
| message | BotMessage |
None. |
|
| postback | BotPostback |
None. |
|
| game_play | GamePlay |
None. |