To configure iPayDNA gateway into your Limelight CRM, you will go to Settings > Providers and select "Add New Provider Profile" from the Actions drop down menu. Select 'Payment' as the type, select iPayDNA from the Provider drop-down list, and fill out the required gateway parameters.
These parameters are briefly described here for your reference:
AccountId: This will be provided to you by iPayDNA.
Password: This will be provided to you by iPayDNA.
Currency: This gateway currently supports USD, EUR, GBP, and AUD currencies.
Test Mode: Set to YES if you would like to use this gateway in Test Mode.
Gateway Alias: For internal purposes only; it helps you identify your gateway among several others in your CRM.
Once your gateway profile has been created, then you will go through your campaigns and assign the gateway to the corresponding campaign(s).