Customize the channel used to send messages from the application to the message
broker. By default, messages from the application to the message broker are sent
synchronously, which means application code sending a message will find out
if the message cannot be sent through an exception. However, this can be changed
if the broker channel is configured here with task executor properties.
Customize the channel used to send messages from the application to the message broker. By default, messages from the application to the message broker are sent synchronously, which means application code sending a message will find out if the message cannot be sent through an exception. However, this can be changed if the broker channel is configured here with task executor properties.