Zamp for Adobe Commerce: Integration Points

Integration Points

Order Processing Integration

The Zamp Tax extension integrates with Adobe Commerce's order processing at multiple points:

Order Creation

• Real-time tax calculation during checkout via observer sales_model_service_quote_submit_before
• Tax information saved with order:
  • Customer tax exempt codes
  • Product-specific tax codes
  • Shipping tax handling

Invoice Generation

Integration with invoice creation and management:

• Automatic transaction syncing on invoice creation through:

Observer: ATF\Zamp\Observer\SendTransactionToZamp
Event: sales_order_invoice_save_after

• Invoice display customization:
  • Custom PDF generation with proper tax labels
  • Zamp transaction ID display in admin
  • Re-sync capabilities for failed transactions

Credit Memo Handling

Full integration with credit memo processing:

• Automatic refund transaction reporting:

Observer: ATF\Zamp\Observer\SendRefundToZamp
Event: sales_order_creditmemo_save_after

• Credit memo customizations:
  • Custom PDF generation with Zamp tax information
  • Admin interface showing Zamp transaction details
  • Re-sync capability for failed refund transactions

Tax Display Integration

Comprehensive tax display integration throughout the platform:

Shopping Cart

• Real-time tax calculations
• Custom tax labels via:

Plugin: ATF\Zamp\Plugin\Checkout\LayoutProcessorPlugin
Layout: sales_email_order_items.xml

Checkout

• Dynamic tax calculation based on:
  • Shipping address
  • Product tax codes
  • Customer tax exemption status
• Custom tax display in checkout totals

Order View

• Customer account order history
• Admin order view
• Email templates
• PDF documents

Template Customizations

Frontend Templates:
- order/tax.phtml
- order/tax/label.phtml

Admin Templates:
- order/totals/tax.phtml
- order/invoice/view/details.phtml
- order/creditmemo/view/details.phtml