You can use the little tag icon to insert AutoContacts variables automatically in any Tasker text field.
You can now use your contact’s info any way you like. You can call them, email them, text them, navigate to their home, setup a notification with their birthday, start a hangout with them, the list goes on and on!
Check out this video to see how to get started:
Check out this video to get an idea on how to use AutoContacts with AutoVoice: