twist_mux:
  ros__parameters:
    topics:
      navigation:
        topic   : cmd_vel_nav
        timeout : 0.5
        priority: 10

      keyboard:
        topic   : cmd_vel_keyboard
        timeout : 0.5
        priority: 90

      joystick:
        topic   : cmd_vel_joystick
        timeout : 0.5
        priority: 100