updatePlanPricing method
Updates pricing for a plan. For example, you can update a regular billing cycle from $5 per month to $7 per month.
Parameter planId: The ID of the plan.
Parameter pricingSchemes: The update plan pricing request object
Implementation
Future<void> updatePlanPricing(
String planId, PricingSchemesUpdateRequest pricingSchemes) async {
var url = _payPalHttpClient
.getUrl('/v1/billing/plans/$planId/update-pricing-schemes');
var body = jsonEncode(pricingSchemes.toJson());
await _payPalHttpClient.post(url, body: body);
}