Order Total (Field Setting)

The Order Total is the amount that will be charged to a buyer and is comprised of the sum of the Item Total, Shipping Total, Handling Total, and Tax Total minus the Shipping Discount. The value passed in must adhere to any currency rules regarding limits and decimal places that are in place for the Currency chosen.

To read more on the different currencies supported by PayPal and their rules visit https://developer.paypal.com/docs/classic/api/currency_codes/

This field combined with the Order Item Title, Item Total, Shipping Total, Handling Total, Tax Total, and Shipping Discount will make up the details provided to the buyer in the cart portion of the PayPal Express Checkout Screen.