def METHOD_NAME(namespace_name: Optional[str] = None,
                         notification_hub_name: Optional[str] = None,
                         resource_group_name: Optional[str] = None,
                         opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetNotificationHubResult:
    """
    Notification Hub Resource.
    Azure REST API version: 2023-01-01-preview.
    :param str namespace_name: Namespace name
    :param str notification_hub_name: Notification Hub name
    :param str resource_group_name: The name of the resource group. The name is case insensitive.
    """
    __args__ = dict()
    __args__['namespaceName'] = namespace_name
    __args__['notificationHubName'] = notification_hub_name
    __args__['resourceGroupName'] = resource_group_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:notificationhubs:getNotificationHub', __args__, opts=opts, typ=GetNotificationHubResult).value
    return AwaitableGetNotificationHubResult(
        id=pulumi.get(__ret__, 'id'),
        location=pulumi.get(__ret__, 'location'),
        name=pulumi.get(__ret__, 'name'),
        properties=pulumi.get(__ret__, 'properties'),
        sku=pulumi.get(__ret__, 'sku'),
        system_data=pulumi.get(__ret__, 'system_data'),
        tags=pulumi.get(__ret__, 'tags'),
        type=pulumi.get(__ret__, 'type'))