def begin_patch(resource_group_name, web_service_name, patch_payload, custom_headers:nil)
      response = begin_patch_async(resource_group_name, web_service_name, patch_payload, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def begin_patch(resource_group_name, web_service_name, patch_payload, custom_headers:nil)
      response = begin_patch_async(resource_group_name, web_service_name, patch_payload, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Modifies an existing web service resource. The PATCH API call is an
 asynchronous operation. To determine whether it has completed successfully,
 you must perform a Get operation.

 @param resource_group_name [String] Name of the resource group in which the
 web service is located.
 @param web_service_name [String] The name of the web service.
 @param patch_payload [WebService] The payload to use to patch the web
 service.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [WebService] operation results.