"To not" vs. "not to" [duplicate]
The rule is to use the order "not to" see Order of "not" with infinitive
However your sentence sound horribly unnatural no one would say "he's able not to hesitate / trip / fall", it is kind of contradictory to say "able" with a negative.
You should definitely rephrase it, why not something like:
The creation of a record of that movement will be made optional.