Shipping Modules
Calculating shipping costs for an order
Modules
Shipping, payment, and order-total module development
Use this section for module-specific development topics, especially shipping, payment, and order-total modules.
Start with:
Testing PayPal Modules
Verifying PayPal module configuration and transaction flow
Order Total Modules
Calculating totals, fees, and discounts for an order
Cloning a Shipping Module
Building a new shipping module by cloning an existing one
Cloning a Shipping Module (1.5.7 and below)
Building a new shipping module by cloning an existing one
Adding Configuration Values to a Module
Adding module configuration values without requiring remove and reinstall
Cloning a Payment Module
Building a new payment module by cloning an existing one
Cloning a Payment Module (1.5.7 and below)
Building a new payment module by cloning an existing one
Last modified May 27, 2026 by Ian Wilson (e07ac859).