Adds the ability to use First Data's payment gateway to accept credit card payments for shopping cart items.
Once you install this plugin you will see "First Data" listed as a payment processing option in the Shopping Cart Payment Options.
Just install the plugin, go to Payment Options, fill-in your First Data account info and put in "PEM" file name, usually the same as your store number and no extension. (You have to upload the PEM file, which is provided by First Data, using the File Manager first.
Version 4.9+ required
Make sure that you are running 4.9 or later.
This add-on will not function properly on any version earilier than 4.9.
How to find out what version you're running
Log-in to manage your website with Pro Edition (i.e. http://example.com/sohoadmin)
and look in the bottom right corner of the admin tool window (ie. in the footer).
How to update your version
If you're running v4.8.x or earlier than you've got to first update to v4.9 via Fantastico.
Once you're on v4.9 you can update to the latest build using v4.9's built-in Software Updates feature (Main Menu > Webmaster > Software Updates).