Urgent help please adding keypad to electric gate

[cider]

Looks like you need a NO dry relay in a keypad that runs on 12vac? NO contact goes across "OPEN" on the controller. I assume when this is shorted the gates will open? You could test it out...

Issue would be how to get the gates to shut after a period of time? Unless this is not required? Maybe there is a keypad that counts down on a timer and will then blip a relay that could be wired across "CLOSE"? Otherwise you could manage it using a multifunction timer of some sort.
Have you tried contacting the manufacturer? They may be able to recommend something...

Thanks. Currently the gate does not auto close and needs to stay the same.