There is a command group 'az_webapp_config_backup'. This group of commands could 'manage backups for web apps'. 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_webapp_config_backup_create'.The syntax is: az webapp config backup create --container-url
                               --resource-group
                               --webapp-name
                               [--backup-name]
                               [--db-connection-string]
                               [--db-name]
                               [--db-type {localmysql, mysql, postgresql, sqlazure}]
                               [--slot]. The 1th example of the child command would be to use it to 'create a backup of a web app   autogenerated', the syntax is: az webapp config backup create --container-url {container-url} --resource-group MyResourceGroup --webapp-name MyWebapp. The parameter '--container-url' is required. It is used to url with sas token to the blob storage container.. The parameter '--resource-group -g' is required. It is used to name of resource group. you can configure the default group using `az configure --defaults group=<name>`.. The parameter '--webapp-name' is required. It is used to the name of the web app.. The parameter '--backup-name' is optional. name of the backup. if unspecified, the backup will be named with the web app name and a timestamp.. The parameter '--db-connection-string' is optional. connection string for the database in the backup.. The parameter '--db-name' is optional. name of the database in the backup.. The parameter '--db-type' is optional. type of database in the backup.. The parameter '--slot -s' is optional. the name of the slot. default to the productions slot if not specified.. 