Can I get some basic help with payment calculation and tokens for PayPal? I have two instances for use, but I cannot figure out how to get Dynamic Forms to properly calculate the amounts or identify price.

For example, I have a classified ad system which I want to charge $7 per month per ad. So I set up the form with a drop-down box for a choice of 1,2, or 3 ads. In the Calculation Field, I entered:

$(Quantity) * 7

The in the PayPal Additional Parameters Fied, I entered:

&amount=7
&no_shipping=0

Yet when I test the system and select 2 ads, I still am asked to pay $7. Can you clarify to this SQL neophyte?

Hi Meredith,

It wants to charge you $7 because you have &amount=7.  What you can do instead is have a Total field on your form (this can be hidden) where your calculated total will be entered.  Then pass this to paypal as &amount=$(Total).

Check out Dynamic Forms Demonstratons.  Demo 15, 16 and 17 cover PayPal settings.  Demo 20 will help with calculations.  Thanks!

Candace

Thanks, Candance. Unofrtunately I feel like this demo is missing bits of info that may be obvious to SQL coders but not to amateurs like me (sorry).  Based on the demo, I added this into the PayPal Gateway section:

&item_name=CinCHouse Classified Ads
&amount=$(amount)
&no_shipping=0

I deleted the caluclation option code. Then for each item, I added the values into each item's "Update Option Value". So for Item 1 (one Classified ad), I put:

amount=7

For two classified ads, I used: "amount=14" and so on. These  are the tokens used by PayPal.

Finally, I delibertaely cut and paste these terms here because I ultimately get the PayPal error. What could I be doing wrong now?