ros launch file with args
<!-- File name run.launch -->
<launch>
<node pkg="my_package" type="my_node" name="node_instance" args="-arg1 -arg2" />
<!-- Option 2 for pass in terminal -->
<arg name="argument" />
<node pkg="my_package" type="my_node" name="node_instance" output="screen" args="$(arg argument)"/>
</launch>
<!-- Command line -->
roslaunch my_package run.launch argument:={{parameter_value}}