def begin_update_with_http_info(resource_group_name, resource_name, iot_hub_tags, custom_headers:nil)
      begin_update_async(resource_group_name, resource_name, iot_hub_tags, custom_headers:custom_headers).value!
    end
def begin_update_with_http_info(resource_group_name, resource_name, iot_hub_tags, custom_headers:nil)
      begin_update_async(resource_group_name, resource_name, iot_hub_tags, custom_headers:custom_headers).value!
    end
Update an existing IoT Hubs tags.

 Update an existing IoT Hub tags. to update other fields use the
 CreateOrUpdate method

 @param resource_group_name [String] Resource group identifier.
 @param resource_name [String] Name of iot hub to update.
 @param iot_hub_tags [TagsResource] Updated tag information to set into the
 iot hub instance.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [MsRestAzure::AzureOperationResponse] HTTP response information.