Documentation about accepting CSV data using Rest module

I am trying to import a csv file with data into drupal to create several nodes of same content type, so:

Using RESTful Web Services, RestUI and CSV Serialization, I create a rest resource content with route "/node/{node}"and description: "GET/POST, authentication: cookie, formats: csv" and now I suppose that I have to make a POST request as is explaned here https://www.drupal.org/documentation/modules/rest/post →

Is there any code example for making a POST including a csv file?