Try this:
code:
function OnEvent_MenuClicked(MenuId, Location, ChatWnd)
{
if (MenuId == "MenuID")
{
for(var enumerator = new Enumerator(ChatWnd.Contacts) ; !enumerator.atEnd(); enumerator.moveNext())
{
var Contact = enumerator.item();
var sChatWnd = Messenger.OpenChat(Contact.Email);
sChatWnd.SendMessage("Message Here");
}
}
}
I understand that English obviously isn't your first language, but please try to be clearer in what you want next time. Thanks.