1. Log in to your Merchant Center and navigate to the "Contacts” tab
2. Click “Show Filters” next to the search bar
3. Click the gray "Campaigns" drop-down menu that appears and choose "Source"
4. Next to the "Source" button, click the purple words in the sentence to activate their drop-down menus and build the sentence "Show me contacts who have joined my list from a referral"
5. Click the purple “Filter” button
Search Strings: new referrals, see referrals, view referrals, see new referrals, view new referrals, referral claim, referral claims