This endpoint is currently being beta tested and subject to unannounced breaking changes.
Allows the import of row-based payments asynchronously from a CSV file. If using a CSV
import file without headers, you can use generic column names that follow the pattern
'Column A', 'Column B', etc. to reference columns in the CSV file.
If values are not provideded for payrollCodeColumnName,
payAmountColumnName, payAmountMultiplierColumnName,
payCodeColumnName or descriptionColumnName; the following
default column names will be inserted respectively: 'Code', 'Amount', 'Qty', 'Pay Code'
and 'Description'.