def list_callback_url_with_http_info(resource_group_name, workflow_name, list_callback_url, custom_headers:nil)
      list_callback_url_async(resource_group_name, workflow_name, list_callback_url, custom_headers:custom_headers).value!
    end
def list_callback_url_with_http_info(resource_group_name, workflow_name, list_callback_url, custom_headers:nil)
      list_callback_url_async(resource_group_name, workflow_name, list_callback_url, custom_headers:custom_headers).value!
    end
Get the workflow callback Url.

 @param resource_group_name [String] The resource group name.
 @param workflow_name [String] The workflow name.
 @param list_callback_url [GetCallbackUrlParameters] Which callback url to
 list.
 @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.