createAddon method

Future<Response<RazorpayAddon>> createAddon({
  1. required String subscriptionId,
  2. required RazorpaySubscriptionAddonsBaseRequestBody params,
  3. void callback(
    1. RazorpayApiException?,
    2. Response<RazorpayAddon>?
    )?,
})

Creates addon for a given subscription

@param subscriptionId - The unique identifier of the Subscription. @param params - Check doc for required params

Implementation

Future<Response<RazorpayAddon>> createAddon({
  required String subscriptionId,
  required RazorpaySubscriptionAddonsBaseRequestBody params,
  void Function(RazorpayApiException?, Response<RazorpayAddon>?)? callback,
}) async {
  if (subscriptionId.isEmpty) {
    throw ArgumentError(MISSING_ID_ERROR);
  }
  final url = '$BASE_URL/$subscriptionId/addons';
  return api.post<RazorpayAddon>(
    {
      'url': url,
      'data': params.toJson(),
    },
    fromJsonFactory: RazorpayAddon.fromJson,
    callback: callback,
  );
}