Start listening on a channel and send a message on the channel:

Send a message on the channel:

The message is available from the listener, in the form specified for the ChannelListener object:

Delete the channel:

Send a message as an association:

Send as a rule or a list of rules:

Send an arbitrary Wolfram Language code:

Send the current notebook:

Clean up:

Create a channel to transmit data encoded as a JSON string:

Start listening on the channel:

Encode and send some data:

Retrieve and decode the received data:

Clean up:

A channel listener that receives a compressed notebook and opens it in a new window:

Create a notebook and send it to the channel:

The received notebook:

Clean up:

Messages sent with ChannelSend can be received by listeners created with ChannelListen:

Clean up:

For security purposes, a message sent by ChannelSend might be held in unevaluated form by channel listeners, depending on its content.

The myFunction call is read wrapped in HoldComplete:

Clean up:

Messages sent to a channel will not be immediately available from listeners connected to the channel, as ChannelSend returns asynchronously:

Send a message and immediately try to retrieve it from the listener:

Introducing a short pause after sending the message allows time for the message to be received by the listener:

A While loop can also be used to wait until a message is available from the listener:

Clean up: