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General
Most payment processing services like PayPal provide you with HTML which links to their payment server. You then paste onto your website to allow a customer to make a purchase. The ECommerce system lets you create an external payment option and enter this HTML into the Payment HTML field.
Substitution Tokens
You can "generalize" payment HTML by placing "substitution tokens" into it wherever you want an order-specific value to be placed. For instance, your HTML may pass an order total value to the payment server. If you place the substitution token "^order-total^" into your HTML at this location, the ECommerce system will subsitute the actual order total for the token when a customer clicks on the payment HTML. |
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