spawn_bottle_with_marker.launch

<launch>
  <arg name="x" default="1" />
  <arg name="y" default="0" />
  <arg name="z" default="1" />
  <node name="spawn_bottle" pkg="gazebo_ros" type="spawn_model"
        args="-sdf -database bottle_with_marker -x $(arg x) -y $(arg y) -z $(arg z) -model bottle" />
</launch>