|Description||Optional parameter used for creating a recurring payment. Number of installments for which the vads_sub_init_amount should be applied.
Once these installments will have expired, the vads_sub_amount field will be used.
Example: to define a recurring payment with the first 3 installments of 25,00 EUR, and the rest of the installments of 30,00 EUR, the following values will be used:
Input and output field, returned in the response (IPN and Return URL).
|Category||Recurring payment details.|