There is a command group 'az_sig_image definition'. This group of commands could 'manage shared gallery image with vm'. 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_sig_image definition_list community'.The syntax is: az sig image-definition list-community [--ids]
                                       [--location]
                                       [--marker]
                                       [--public-gallery-name]
                                       [--show-next-marker]
                                       [--subscription]. The 1th example of the child command would be to use it to 'list an image definition in a gallery community', the syntax is: az sig image-definition list-community --public-gallery-name publicGalleryName \
--location myLocation. The parameter '--ids' is optional. one or more resource ids (space-delimited). it should be a complete resource id containing all information of 'resource id' arguments. you should provide either --ids or other 'resource id' arguments.. The parameter '--location -l' is optional. location. values from: `az account list-locations`. you can configure the default location using `az configure --defaults location=<location>`.. The parameter '--marker' is optional. a string value that identifies the portion of the list of containers to be returned with the next listing operation. the operation returns the nextmarker value within the response body if the listing operation did not return all containers remaining to be listed with the current page. if specified, this generator will begin returning results from the point where the previous generator stopped.. The parameter '--public-gallery-name' is optional. the public name of community gallery.. The parameter '--show-next-marker' is optional. show nextmarker in result when specified.. The parameter '--subscription' is optional. name or id of subscription. you can configure the default subscription using `az account set -s name_or_id`.. 