def METHOD_NAME(configuration_name: Optional[str] = None,
                                    network_manager_name: Optional[str] = None,
                                    resource_group_name: Optional[str] = None,
                                    opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetSecurityUserConfigurationResult:
    """
    Retrieves a network manager security user configuration.
    :param str configuration_name: The name of the network manager Security Configuration.
    :param str network_manager_name: The name of the network manager.
    :param str resource_group_name: The name of the resource group.
    """
    __args__ = dict()
    __args__['configurationName'] = configuration_name
    __args__['networkManagerName'] = network_manager_name
    __args__['resourceGroupName'] = resource_group_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:network/v20220401preview:getSecurityUserConfiguration', __args__, opts=opts, typ=GetSecurityUserConfigurationResult).value
    return AwaitableGetSecurityUserConfigurationResult(
        delete_existing_nsgs=pulumi.get(__ret__, 'delete_existing_nsgs'),
        description=pulumi.get(__ret__, 'description'),
        etag=pulumi.get(__ret__, 'etag'),
        id=pulumi.get(__ret__, 'id'),
        name=pulumi.get(__ret__, 'name'),
        provisioning_state=pulumi.get(__ret__, 'provisioning_state'),
        system_data=pulumi.get(__ret__, 'system_data'),
        type=pulumi.get(__ret__, 'type'))