Door Lock Problem

Do you know the name of a part inside the door that is a type of cable and it links from the door handle to the lock mechanism to lock or unlock the door? The unlock button works for all the other doors except the driver
door it will not open from the inside or outside nor with the key. When I had unlock the door and pulled the handle something snapped, so i would need the name of that cable that connects from the handle to the lock mechanism?

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