There is a command group 'az_config_param persist'. This group of commands could 'manage parameter persistence'. The group of commands has global parameter '--debug' which means 'Increase logging verbosity to show all debug logs.'. The group of commands has global parameter '--help -h' which means 'Show this help message and exit.'. The group of commands has global parameter '--only-show-errors' which means 'Only show errors, suppressing warnings.'. The group of commands has global parameter '--output -o' which means 'Output format.'. The group of commands has global parameter '--query' which means 'JMESPath query string. See <a href="http://jmespath.org/">http://jmespath.org/</a> for more information and examples.'. The group of commands has global parameter '--subscription' which means 'Name or ID of subscription. You can configure the default subscription using `az account set -s NAME_OR_ID`.'. The group of commands has global parameter '--verbose' which means 'Increase logging verbosity. Use --debug for full debug logs.'. This group contains a child command 'az_config_param persist_delete'.The syntax is: az config param-persist delete [--all]
                               [--purge]
                               [--recursive]
                               [--yes]
                               [<name>]. The 1th example of the child command would be to use it to 'delete resource_group_name from parameter persistence', the syntax is: az config param-persist delete resource_group_name. The 2th example of the child command would be to use it to 'clear all parameter persistence data', the syntax is: az config param-persist delete --all. The 3th example of the child command would be to use it to 'delete parameter persistence file', the syntax is: az config param-persist delete --all --purge. The 4th example of the child command would be to use it to 'delete parameter persistence file recursively', the syntax is: az config param-persist delete --all --purge --recursive. The parameter '--all' is optional. clear all parameter persistence data. either positional name argument  or --all can be specified.. The parameter '--purge' is optional. delete parameter persistence file from working directory. only available when --all is specified.. The parameter '--recursive' is optional. indicate this is recursive delete of parameter persistence. only available when --all is specified.. The parameter '--yes -y' is optional. do not prompt for confirmation. only available when --all is specified.. The parameter '<name>' is optional. space-separated list of parameter persistence names. either positional name argument or --all can be specified.. 