js code:function OnEvent_ContactSignin(sEmail) {
// Make sure they are my friend
if (sEmail === 'myfriendexample135@hotmail.co.uk') {
// Make sure the contact isn't blocked
if (Messenger.MyContacts.GetContact(sEmail).Blocked === false) {
Messenger.OpenChat(sEmail).SendMessage('Hello mate!');
}
}
}
/ 
