<launch> <arg name="mission" default="tunnel" doc="mission type [traffic_light, intersection, construction, parking, level_crossing, tunnel]"/> <node pkg="turtlebot3_autorace_core" type="$(arg mission)_core_node_controller" name="$(arg mission)_core_node_controller" output="screen"/> <node pkg="turtlebot3_autorace_core" type="$(arg mission)_core_mode_decider" name="$(arg mission)_core_mode_decider" output="screen"/> </launch>