@cmd('<STR_LIT>')<EOL>def send_prefix(pymux, variables):
process = pymux.arrangement.get_active_pane().process<EOL>for k in pymux.key_bindings_manager.prefix:<EOL><INDENT>vt100_data = prompt_toolkit_key_to_vt100_key(k)<EOL>process.write_input(vt100_data)<EOL><DEDENT>
Send prefix to active pane.