To configure the 'Global Payments Now' Gateway into your LimeLight platform, you will go to Settings > Providers and click on the Actions drop-down arrow and select "Add New Provider Profile". Click on "Payment" as the provider type and then select 'Global Payments Now' from the Provider drop-down list. You will then need to fill out the required parameters.
These parameters are briefly described here for your reference:
Merchant Id: This will be provided to you by Global Payments Now.
Terminal Id: This will be provided to you by Global Payments Now.
Currency: Global Payments Now currently supports USD, GBP, and AUD currencies.
Test Mode: Select whether or not you want to use Global Payments Now in Test Mode.
Gateway Alias: For internal purposes only; it helps you identify a specific gateway among several of them 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).