# rosgraph_msgs This is a package containing message definitions relating to the ROS Computation Graph. These are generally considered to be low-level messages that end users do not interact with. For more information about ROS 2 clock, see [design.ros2.org](https://design.ros2.org/articles/clock_and_time.html). For more information about ROS 2 interfaces, see [docs.ros.org](https://docs.ros.org/en/rolling/Concepts/About-ROS-Interfaces.html). ## Messages (.msg) * [Clock](msg/Clock.msg): Communicates the current ROS time. ## Quality Declaration This package claims to be in the **Quality Level 1** category, see the [Quality Declaration](QUALITY_DECLARATION.md) for more details.