Updates the specified commission by setting the values of the parameters passed. Any parameters not provided will be left unchanged.
Note: While still supported, this is no longer the preferred method for marking a commission as paid. For that, use the Mark a payout as paid method, which allows you to mark a batch of commissions for a single affiliate as paid with a single API call.
Timestamp (as an formatted string) representing when this commission was paid. Can be any time in the past/future.
Timestamp (as an formatted string) indicating when this commission should be considered payable to the affiliate. Can be any time in the past/future, but cannot be blank.