function Importcontacts() {
    var contacts = ContactsApp.getContacts(); // Fetches contact list of group
    var ss = SpreadsheetApp.getActiveSpreadsheet(); //Get currently Active sheets
    var sheet = ss.getSheets()[0]; //Get first from active sheets list
    sheet.appendRow(['Full Name', 'Email Address']); // Creating Header
    for (var i in contacts) {
        var contact = contacts[i];
        var id = contact.getId(); //get contact id
        var fullname = contacts[i].getFullName(); // gets full name of contact
        var emailid = contacts[i].getEmails(); //get emailid of contact
        for (i in emailid) {
            sheet.appendRow([id, fullname, emailid[i].getAddress()]); // append contact data to active sheet
        }
    }

    var contact2 = ContactsApp.getContactsByName('firstname2 lastname2')
    for (var i in contact2) {
        contact2[i].setFamilyName('Doe-Smith');
    }

}

function getContact(id) {
    return ContactsApp.getContactById(id);
}

//var contact1 = getContact('http://www.google.com/m8/feeds/contacts/testgranot%40gmail.com/base/7b48cd3b0a764f43');
//
//Logger.log(
//    contact1.getFullName()
//);
//
//Logger.log(
//    ContactsApp.getContact('[email protected]').setFamilyName('Doe-Smith')
//);