# getBasicPaymentProductByAccountOnFileId method

BasicPaymentProduct? getBasicPaymentProductByAccountOnFileId(

1. String accountOnFileId

)

Returns the BasicPaymentProduct with the corresponding `accountOnFileId`, or null if not found.

## Implementation

    BasicPaymentProduct? getBasicPaymentProductByAccountOnFileId(String accountOnFileId) {
      for (BasicPaymentProduct product in products) {
        for (AccountOnFile accountOnFile in product.accountsOnFile) {
          if (accountOnFile.id == accountOnFileId) {
            return product;
          }
        }
      }
      return null;
    }