There is a command group 'az_staticwebapp_functions'. This group of commands could 'link or unlink a prexisting functionapp with a static webapp  also known as  bring your own functions'. 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_staticwebapp_functions_link'.The syntax is: az staticwebapp functions link --function-resource-id
                               --name
                               --resource-group
                               [--environment-name]
                               [--force]. The 1th example of the child command would be to use it to 'link a function to a static webapp', the syntax is: az staticwebapp functions link -n MyStaticAppName -g MyResourceGroup --function-resource-id "/subscriptions/<subscription-id>/resourceGroups/<resource-group>/providers/Microsoft.Web/sites/<function-name>". The parameter '--function-resource-id' is required. It is used to resource id of the functionapp to link. can be retrieved with 'az functionapp --query id'.. The parameter '--name -n' is required. It is used to name of the static site.. 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 '--environment-name' is optional. name of the environment of static site.. The parameter '--force' is optional. force the function link even if the function is already linked to a static webapp. may be needed if the function was previously linked to a static webapp.. 