GuildScheduledEventUserAddEvent
data class GuildScheduledEventUserAddEvent(val scheduledEventId: Snowflake, val userId: Snowflake, val guildId: Snowflake, val kord: Kord, val shard: Int, val customContext: Any?, val supplier: EntitySupplier = kord.defaultSupplier) : GuildScheduledEventUserEvent(source)
Sent when a user has subscribed to a GuildScheduledEvent.