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## Bug report

**Required Info:**

- Operating System:
  - <!-- OS and version (e.g. Windows 10, Ubuntu 16.04...) -->
- ROS2 Version:
  - <!-- ROS2 distribution and install method (e.g. Foxy binaries, Dashing source...) -->
- Version or commit hash:
  - <!-- from source: output of `git -C navigation2 rev-parse HEAD
         apt binaries: output of: dpkg-query --show "ros-$ROS_DISTRO-navigation2"
                              or: dpkg-query --show "ros-$ROS_DISTRO-nav2-*" -->
- DDS implementation:
  - <!-- rmw_implementation used (e.g. Fast-RTPS, RTI Connext, etc.) -->

#### Steps to reproduce issue
<!-- Detailed instructions on how to reliably reproduce this issue http://sscce.org/
``` code that can be copy-pasted is preferred ``` -->
```

```

#### Expected behavior

#### Actual behavior

#### Additional information

<!-- If you are reporting a bug delete everything below
     If you are requesting a feature deleted everything above this line -->
----
## Feature request

#### Feature description
<!-- Description in a few sentences what the feature consists of and what problem it will solve -->

#### Implementation considerations
<!-- Relevant information on how the feature could be implemented and pros and cons of the different solutions -->