add host message
Usage
stack add host message {host ...} {message=string} [channel=string]
Description
Adds a message to one or most host Message Queues
Arguments
[host]
Zero, one or more host names. If no host names are supplied, the message is sent to all hosts.
Parameters
[message=string]{channel=string}
Name of the channel
Examples
stack add host message backend-0-0 "hello world" channel=debug
Sends "hello world" over the debug channel using the Message Queue on backend-0-0.