.. Warning: Do not edit this file. It is automatically generated from the software project's code and your changes will be overwritten. The tool to generate this file lives in openstack-doc-tools repository. Please make any changes needed in the code, then run the autogenerate-config-doc tool from the openstack-doc-tools repository, or ask for help on the documentation mailing list, IRC channel or meeting. .. _ceilometer-zaqar: .. list-table:: Description of Message service configuration options :header-rows: 1 :class: config-ref-table * - Configuration option = Default value - Description * - **[DEFAULT]** - * - ``zaqar_control_exchange`` = ``zaqar`` - (String) Exchange name for Messaging service notifications.