setVibrationPattern
open fun setVibrationPattern(@Nullable vibrationPattern: Array<Long>): NotificationChannelCompat.Builder(source)
Sets the vibration pattern for notifications posted to this channel. If the provided pattern is valid (non-null, non-empty), will setVibrationEnabled enable vibration} as well. Otherwise, vibration will be disabled. Only modifiable before the channel is submitted to createNotificationChannel.