Apex Developer Guide

Apex Developer Guide
Release Notes
Getting Started with Apex
Writing Apex
Running Apex
Invoking Apex
Apex Transactions and Governor Limits
Using Salesforce Features with Apex
Actions
Apex Cursors
Approval Processing
Authentication
Chatter Answers and Ideas
Use Cases for the CommercePayments Namespace
Payment Gateway Adapters
Payment Authorization Reversal Service
Tokenization Service
Alternative Payment Methods
Process Payments
Process Refund
Idempotency Guidelines
Sample Payment Gateway Implementation for CommercePayments
Connect in Apex
Moderate Chatter Private Messages with Triggers
Data 360 In Apex
DataWeave in Apex
Moderate Feed Items with Triggers
Experience Cloud Sites
Email
External Services
Flows
Formula Evaluation in Apex
Metadata
Permission Set Groups
Platform Cache
Salesforce Knowledge
Salesforce Files
Salesforce Connect
Salesforce Reports and Dashboards API via Apex
Salesforce Sites
Support Classes
Territory Management 2.0
Integration and Apex Utilities
Debugging, Testing, and Deploying Apex
Apex Reference
Appendices
PDF

Note: This release is in preview. Features described here don’t become generally available until the latest general availability date that Salesforce announces for this release. Before then, and where features are noted as beta, pilot, or developer preview, we can’t guarantee general availability within any particular time frame or at all. Make your purchase decisions only on the basis of generally available products and features.

Process Refund

Process a refund in the payment gateway.
Available in: Salesforce Spring ’20

To access the commercepayments API, you need the PaymentPlatform org permission.
  1. Get the referenced refund request object from the PaymentGatewayContext Class. 
    1commercepayments.ReferencedRefundRequest = (commercepayments.ReferencedRefundRequest)gatewayContext.getPaymentRequest();
  2. Set the HTTP request object. 
    1HttpRequest req = new HttpRequest();
2req.setHeader('Content-Type', 'application/json');
  3. Read the parameters from the ReferencedRefundRequest object and prepare the HTTP request body.
  4. Make the HTTP call to the gateway using thePaymentsHttp Class. 
    1commercepayments.PaymentsHttp http = new commercepayments.PaymentsHttp();
2HttpResponse res = http.send(req);
  5. Parse the httpResponse and prepare the ReferencedRefundResponse object. 
    1commercepayments.ReferencedRefundResponse referencedRefundResponse = new commercepayments.ReferencedRefundResponse();
2referencedRefundResponse.setGatewayResultCode(“”);
3referencedRefundResponse.setGatewayResultCodeDescription(“”);
4referencedRefundResponse.setGatewayReferenceNumber(“”);
5referencedRefundResponse.setSalesforceResultCodeInfo(getSalesforceResultCodeInfo(commercepayments.SalesforceResultCode.SUCCESS.name())); 
6referencedRefundResponse.setGatewayReferenceDetails(“”);
7referencedRefundResponse.setAmount(double.valueOf(100);
  6. Return the referencedRefundResponse.