The Sift plugin can be found by navigating to Admin → Plugins → Fraud Services.
Click the green +Activate button on the Sift tile.
Enter the following information from your Sift account:
accountId - required
apiKey - required
signature - required
beaconKey - optional in most cases. Required only if placing script on your pages and wanting to return the value from this plugin to the page in the landers/clicks/import API.
declineMessage - optional. Enter a value here to override the “Fraud Detected" message returned on a declined screening. This value will be returned for display to consumers while the “Fraud Detected” message will be stored with the transaction.