func funzionaDaChiamarePerLaRequest() {
        let sessionConfig = URLSessionConfiguration.default

        // Create session, and optionally set a URLSessionDelegate
        let session = URLSession(configuration: sessionConfig, delegate: nil, delegateQueue: nil)

        // Create the request
        guard let URL = URL(string: "endPoint per la request") else { return }
        var request = URLRequest(url: URL)
        request.httpMethod = "POST" // oppure GET dipende dalla request

        let task = session.dataTask(with: request, completionHandler: { (data: Data?, response: URLResponse?, error: Error?) -> Void in
            if (error == nil) {
                // Success
                let statusCode = (response as! HTTPURLResponse).statusCode
                print("URL Session Task Succeeded: HTTP \(statusCode)")
                if let data = data {
                    //Qui avverrà il parser del JSON
                }
            }
            else {
                // Failure
                print("URL Session Task Failed: \(error!.localizedDescription)")
            }
        })
        task.resume()
        session.finishTasksAndInvalidate()
    }