publishEvent function
Publish through a generated EventBusClient; returns the broker-assigned sequence number.
Implementation
Future<int> publishEvent(
EventBusClient client, List<TagValue> tags, List<int> payload,
[String publisherId = '']) async {
final reply = await client.publish(PublishRequest()
..tags = List<TagValue>.from(tags)
..payload = Uint8List.fromList(payload)
..publisherId = publisherId);
return reply.seq;
}