The amount of money the developer contributes to help cover the refunded amount.
This amount is specified in the smallest denomination of the applicable currency (for example,
US dollar amounts are specified in cents).
The value cannot be more than the
You can specify this parameter in a refund request only if the same parameter was also included
when taking the payment. This is part of the application fee scenario the API supports. For more
information, see Take Payments and Collect Fees.
To set this field,
PAYMENTS_WRITE_ADDITIONAL_RECIPIENTS OAuth permission is required.
For more information, see Permissions.