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Update Creating-Launch-Files.rst #5396

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11 changes: 11 additions & 0 deletions source/Tutorials/Intermediate/Launch/Creating-Launch-Files.rst
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Expand Up @@ -156,6 +156,17 @@ In other words, ``turtlesim2`` will mimic ``turtlesim1``'s movements.

3 ros2 launch
^^^^^^^^^^^^^
To include your launch file in the build, you must instruct `setup.py` to copy it. When you run `colcon build` the .xml will be copied to the `share` dir.
Edit `setup.py` and add your launch file to the `data_files` variable:

.. code-block:: python

# excerpt from setup.py
data_files=[
# ...
('share/' + package_name, ['package.xml', 'launch/turtlesim_mimic_launch.xml']), # add your launch file here
# ... ]


To run the launch file created above, enter into the directory you created earlier and run the following command:

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