Unique per conversation instance — matches a 'conversation:ended' to its 'conversation:started'.
Conversation/flow name.
Runtime key (chatId, or chatId:userId per group participant).
Shorthand for outcome === 'completed'.
OptionalgotoTarget of the c.goto() that ended it, if any (a new 'conversation:started' follows).
Payload of the bot
'conversation:ended'event.