There is a command group 'az_dt_route'. This group of commands could 'manage and configure event routes'. 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_dt_route_create'.The syntax is: az dt route create --dt-name
                   --en
                   --rn
                   [--filter]
                   [--resource-group]. The 1th example of the child command would be to use it to 'adds an event route for an existing endpoint on target instance with default filter of  true', the syntax is: az dt route create -n {instance_or_hostname} --endpoint-name {endpoint_name} --route-name {route_name}. The 2th example of the child command would be to use it to 'adds an event route for an existing endpoint on target instance with custom filter', the syntax is: az dt route create -n {instance_or_hostname} --endpoint-name {endpoint_name} --route-name {route_name} --filter "type = 'Microsoft.DigitalTwins.Twin.Create'". The parameter '--dt-name --dtn -n' is required. It is used to digital twins instance name or hostname. if an instance name is provided, the user subscription is first queried for the target instance to retrieve the hostname. if a hostname is provided, the subscription query is skipped and the provided value is used for subsequent interaction.. The parameter '--en --endpoint-name' is required. It is used to endpoint name.. The parameter '--rn --route-name' is required. It is used to event route name.. The parameter '--filter' is optional. event route filter.. The parameter '--resource-group -g' is optional. digital twins instance resource group. you can configure the default group using `az configure --defaults group=<name>`.. 