# unique_identifier_msgs ROS 2 messages for Universally Unique Identifiers. For more information about UUIDs, see [wikipedia](https://en.wikipedia.org/wiki/Universally_unique_identifier) and the [UUID specification](https://tools.ietf.org/html/rfc4122.html). For more information about ROS 2 interfaces, see [interfaces documentation](https://docs.ros.org/en/rolling/Concepts/About-ROS-Interfaces.html). ## Messages (.msg) * [UUID](msg/UUID.msg): A universally unique identifier (UUID). ## Quality Declaration This package claims to be in the **Quality Level 1** category, see the [Quality Declaration](QUALITY_DECLARATION.md) for more details.