|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 EUR 45.25, and the rest of the installments of EUR 75.90, the following values will be used:
Input and output field, returned in the response (IPN and Return URL).
|Category||Information about the subscription.|