var grooveClass = require('groove-api');
var groove = new grooveClass(YOUR_GROOVEHQ_ACCESS_TOKEN_HERE);

//Get all tickets for a specific customer
groove.getTickets(null, "[email protected]")
            .then(function (ticketsresult) {
                //success
                ...
            },
            function(err)
            {
              //error
              ...
            });

//Get all messages for a specific ticket (page 1, 50 messages per page)
groove.getMessages(someTicketId, 1, 50, function(err, messagesresult) {
               if (err) {
                  //error
                  ..
                }
                //success
                ...
                });

groove.createTicket(ticketBodyText, "[email protected]", "[email protected]")
                    .then(function (result) {
                        //success
                        ..
                    },function(err){
                        //error
                        ..
                    });