There is a command group 'az_network_dns_record set_txt'. This group of commands could 'manage dns txt records'. 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_network_dns_record set_txt_remove record'.The syntax is: az network dns record-set txt remove-record --record-set-name
                                            --resource-group
                                            --value
                                            --zone-name
                                            [--keep-empty-record-set]. The 1th example of the child command would be to use it to 'remove a txt record from its record set', the syntax is: az network dns record-set txt remove-record -g MyResourceGroup -z www.mysite.com \
    -n MyRecordSet -v Owner=WebTeam. The parameter '--record-set-name -n' is required. It is used to the name of the record set relative to the zone.. 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 '--value -v' is required. It is used to space-separated list of text values which will be concatenated together.. The parameter '--zone-name -z' is required. It is used to the name of the zone.. The parameter '--keep-empty-record-set' is optional. keep the empty record set if the last record is removed.. 