Amqpx.Confirm.register_return_handler
You're seeing just the function
register_return_handler
, go back to Amqpx.Confirm module for more information.
Link to this function
register_return_handler(channel, handler_pid)
Specs
register_return_handler(Amqpx.Channel.t(), pid()) :: :ok
This registers a handler to deal with returned messages.