There is a command group 'az_eventgrid_partner_topic_event subscription'. This group of commands could 'manage event subscriptions of partner topic'. 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_eventgrid_partner_topic_event subscription_show'.The syntax is: az eventgrid partner topic event-subscription show --name
                                                   --partner-topic-name
                                                   --resource-group
                                                   [--include-full-endpoint-url {false, true}]. The 1th example of the child command would be to use it to 'show the details of an event subscription for an event grid partner topic', the syntax is: az eventgrid partner topic event-subscription show --name es1 \
     -g rg1 --partner-topic-name partnertopic1. The parameter '--name -n' is required. It is used to name of the event subscription.. The parameter '--partner-topic-name' is required. It is used to name of the partner topic.. 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 '--include-full-endpoint-url' is optional. specify to indicate whether the full endpoint url should be returned. true if flag present.. 