There is a command group 'az_vm_diagnostics'. This group of commands could 'configure the azure virtual machine diagnostics extension'. 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_vm_diagnostics_get default config'.The syntax is: az vm diagnostics get-default-config [--is-windows-os]. The 1th example of the child command would be to use it to 'get the default diagnostics for a linux vm and override the storage account name and the vm resource id', the syntax is: az vm diagnostics get-default-config \
    | sed "s#__DIAGNOSTIC_STORAGE_ACCOUNT__#MyStorageAccount#g" \
    | sed "s#__VM_OR_VMSS_RESOURCE_ID__#MyVmResourceId#g". The 2th example of the child command would be to use it to 'get the default diagnostics for a windows vm', the syntax is: az vm diagnostics get-default-config --is-windows-os. The parameter '--is-windows-os' is optional. for windows vms.. 