Enabling the Plugin:
Google Checkout has been integrated as a SunShop plugin module. The module can be found in the plugins section of the admin. To locate to this section, navigate to "Settings" -> "Manage Plugins". If the plugin is not already installed, you will need to navigate to the "Available Plugins" tab and click on the install icon.
Setting Up Google Checkout:
Once the plugin has been installed you will need to set it up by now navigating to the "Installed Plugins" tab and clicking on the wrench icon. Below is the information you will need to fill in to setup Google Checkout:
Merchant ID: Your Google Checkout merchant ID as displayed within the "Integration" area of the Google Checkout control panel.
Merchant Key: Your Google Checkout merchant key as displayed within the "Integration" area of the Google Checkout control panel.
Continue Shopping URL: The URL you wish to set as the continue shopping URL once the customer has been sent to the Google Checkout site.
Image Style: Image background type that will be used to display your Google Checkout image.
Image Size: Image size that will be used to display your Google Checkout image.
Auto Charge: Setting this on will automatically charge all orders immediately when the cart is notified of a new order.
Sandbox Mode: Set this to "No" unless you have setup a sandbox account which is separate then a normal Google Checkout account.
Once the above settings have been entered, you are ready to start using Google Checkout for processing orders.
Special Notes:
Sending Order Notes: Among other post order actions, sending order notes to the Google Checkout system is an option. To perform this task, first enter a order note in the 'Order Notes' tab making sure to mark it as public. Then return to the 'Payment Information' tab and select the appropriate action.
Sending Tracking Information: Sending tracking information to the Google Checkout system is also a post order action. To perform this task, first enter the tracking information in the 'Status Information' tab. Then return to the 'Payment Information' tab and select the appropriate action.