The broadcasting direction for a topic.
A message published to the topic will always be delivered first to handlers registered on the bus where publish() is called.
publish()
Then, if the direction is:
children
parent
The broadcasting direction for a topic.
A message published to the topic will always be delivered first to handlers registered on the bus where
publish()is called.Then, if the direction is:
children: the message is also propagated to all child buses recursivelyparent: the message is also propagated to the immediate parent bus