The Purge Payments Over Parameter defines the number of days back from the current date/time for which payments should be purged. The number of days specified in the Payments Over Parameter are subtracted from the current date/time to calculate the "Purge Date".
Payments dated after this date (newer payments) are not affected when Purge Payments is run.
Note: The Payments Over Parameter should be set to the number of days desired by the store owner based on input from the payment processor.
Default = 1 day.
See:
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