print-4.js

    // Print
    var Client = require('node-rest-client').Client;

    var client = new Client();

    var args = {
        data: {
            "command": "select",
            "print": true
        },
        headers: {
            "X-Api-Key": "<yourapikey>",
            "Content-Type": "application/json"
        }
    }

    client.post("http://192.168.1.103/api/files/local/" + itemName + ".gco", args, function (data, response) {
        console.log(response);
    });

});