There is a command group 'az_grafana_dashboard'. This group of commands could 'commands to manage dashboards of an instance'. 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_grafana_dashboard_update'.The syntax is: az grafana dashboard update --definition
                            --name
                            [--api-key]
                            [--folder]
                            [--overwrite {false, true}]
                            [--resource-group]. The 1th example of the child command would be to use it to 'update a dashboard with definition in a json file  for quick start  get existing configuration from  az grafana dashboard show   and apply changes   version  field need to be updated  and  overwrite  field should be true', the syntax is: az grafana dashboard update -g MyResourceGroup -n MyGrafana --definition @c:\temp\dashboard.json. The parameter '--definition' is required. It is used to the complete dashboard model in json string, a path or url to a file with such content.. The parameter '--name -n' is required. It is used to name of the azure managed grafana.. The parameter '--api-key --token -t' is optional. api key or service account token, a randomly generated string used to interact with grafana endpoint; if missing, cli will use current logged-in user's credentials.. The parameter '--folder' is optional. id, uid, title which can identify a folder. cli will search in the order of id, uid, and title, till finds a match.. The parameter '--overwrite' is optional. overwrite a dashboard with same uid.. The parameter '--resource-group -g' is optional. name of resource group. you can configure the default group using `az configure --defaults group=<name>`.. 