There is a command group 'az_iot_central_user'. This group of commands could 'manage and configure iot central users'. 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_iot_central_user_create'.The syntax is: az iot central user create --app-id
                           --assignee
                           --role
                           [--api-version {2022-06-30-preview, 2022-07-31}]
                           [--central-api-uri]
                           [--email]
                           [--object-id]
                           [--org-id]
                           [--tenant-id]
                           [--token]. The 1th example of the child command would be to use it to 'add a user by email to the application', the syntax is: az iot central user create --user-id {userId} --app-id {appId} --email {emailAddress} --role admin. The 2th example of the child command would be to use it to 'add a service principal to the application', the syntax is: az iot central user create --user-id {userId} --app-id {appId} --tenant-id {tenantId} --object-id {objectId} --role operator. The parameter '--app-id -n' is required. It is used to the app id of the iot central app you want to manage. you can find the app id in the "about" page for your application under the help menu.. The parameter '--assignee --user-id' is required. It is used to id associated with the user.. The parameter '--role -r' is required. It is used to the role that will be associated with this token or user. you can specify one of the built-in roles, or specify the role id of a custom role. see more at https://aka.ms/iotcentral-customrolesdocs.. The parameter '--api-version --av' is optional. this command parameter has been deprecated and will be ignored.in the future release, we will only support iot central apis from latest ga version.if any api is not ga yet, we will call latest preview version.. The parameter '--central-api-uri --central-dns-suffix' is optional. the iot central dns suffix associated with your application.. The parameter '--email' is optional. email address of user to be added to the app. if this is specified, service principal parameters (tenant_id and object_id) will be ignored.. The parameter '--object-id --oid' is optional. object id for service principal to be added to the app. tenant id must also be specified. if email is specified this gets ignored and the user will not be a service principal user but a standard "email" user.. The parameter '--org-id --organization-id' is optional. the id of the organization for the user role assignment. only available for api-version == 1.1-preview.. The parameter '--tenant-id --tnid' is optional. tenant id for service principal to be added to the app. object id must also be specified. if email is specified this gets ignored and the user will not be a service principal user but a standard "email" user.. The parameter '--token' is optional. if you'd prefer to submit your request without authenticating against the azure cli, you can specify a valid user token to authenticate your request. you must specify the type of key as part of the request. learn more at https://aka.ms/iotcentraldocsapi.. 