join
fun joinLotteryEntry(lotteryId: String, entrantId: String, numberOfGuests: Int, onResult: (Boolean, String) -> Unit)
Submits a user's entry to a campsite lottery.
Parameters
lottery
The ID of the lottery to join.
entrant
The ID of the participating user.
number
The number of guests in the entry.
on
Callback returning the success status and a message.