# Add a skip function to a source # when it does not have one # by default def add_skip_command(s) = # A command to skip def skip(_) = source.skip(s) "Done!" end # Register the command: server.register(namespace="#{source.id(s)}", usage="skip", description="Skip the current song.", "skip",skip) end # Attach a skip command to the source s: add_skip_command(s)