diff --git a/modules/limelightDigitalBidAdapter.js b/modules/limelightDigitalBidAdapter.js
index 87cf6e4fe21..601d78578b3 100644
--- a/modules/limelightDigitalBidAdapter.js
+++ b/modules/limelightDigitalBidAdapter.js
@@ -158,7 +158,12 @@ function buildPlacement(bidRequest) {
       type: bidRequest.params.adUnitType.toUpperCase(),
       publisherId: bidRequest.params.publisherId,
       userIdAsEids: bidRequest.userIdAsEids,
-      supplyChain: bidRequest.schain
+      supplyChain: bidRequest.schain,
+      custom1: bidRequest.params.custom1,
+      custom2: bidRequest.params.custom2,
+      custom3: bidRequest.params.custom3,
+      custom4: bidRequest.params.custom4,
+      custom5: bidRequest.params.custom5
     }
   }
 }
diff --git a/modules/limelightDigitalBidAdapter.md b/modules/limelightDigitalBidAdapter.md
index a4abb6f1411..2c773859a7f 100644
--- a/modules/limelightDigitalBidAdapter.md
+++ b/modules/limelightDigitalBidAdapter.md
@@ -24,7 +24,12 @@ var adUnits = [{
         params: {
             host: 'exchange-9qao.ortb.net',
             adUnitId: 0,
-            adUnitType: 'banner'
+            adUnitType: 'banner',
+            custom1: 'custom1',
+            custom2: 'custom2',
+            custom3: 'custom3',
+            custom4: 'custom4',
+            custom5: 'custom5'
         }
     }]
 }];
@@ -40,7 +45,12 @@ var videoAdUnit = [{
         params: {
             host: 'exchange-9qao.ortb.net',
             adUnitId: 0,
-            adUnitType: 'video'
+            adUnitType: 'video',
+            custom1: 'custom1',
+            custom2: 'custom2',
+            custom3: 'custom3',
+            custom4: 'custom4',
+            custom5: 'custom5'
         }
     }]
 }];
diff --git a/test/spec/modules/limelightDigitalBidAdapter_spec.js b/test/spec/modules/limelightDigitalBidAdapter_spec.js
index 4efb4f4e84d..5a92110abb4 100644
--- a/test/spec/modules/limelightDigitalBidAdapter_spec.js
+++ b/test/spec/modules/limelightDigitalBidAdapter_spec.js
@@ -10,7 +10,12 @@ describe('limelightDigitalAdapter', function () {
       host: 'exchange.ortb.net',
       adUnitId: 123,
       adUnitType: 'banner',
-      publisherId: 'perfectPublisher'
+      publisherId: 'perfectPublisher',
+      custom1: 'custom1',
+      custom2: 'custom2',
+      custom3: 'custom3',
+      custom4: 'custom4',
+      custom5: 'custom5'
     },
     placementCode: 'placement_0',
     auctionId: '74f78609-a92d-4cf1-869f-1b244bbfb5d2',
@@ -49,7 +54,12 @@ describe('limelightDigitalAdapter', function () {
     params: {
       host: 'ads.project-limelight.com',
       adUnitId: 456,
-      adUnitType: 'banner'
+      adUnitType: 'banner',
+      custom1: 'custom1',
+      custom2: 'custom2',
+      custom3: 'custom3',
+      custom4: 'custom4',
+      custom5: 'custom5'
     },
     placementCode: 'placement_1',
     auctionId: '482f88de-29ab-45c8-981a-d25e39454a34',
@@ -90,7 +100,12 @@ describe('limelightDigitalAdapter', function () {
       host: 'exchange.ortb.net',
       adUnitId: 789,
       adUnitType: 'video',
-      publisherId: 'secondPerfectPublisher'
+      publisherId: 'secondPerfectPublisher',
+      custom1: 'custom1',
+      custom2: 'custom2',
+      custom3: 'custom3',
+      custom4: 'custom4',
+      custom5: 'custom5'
     },
     placementCode: 'placement_2',
     auctionId: 'e4771143-6aa7-41ec-8824-ced4342c96c8',
@@ -128,7 +143,12 @@ describe('limelightDigitalAdapter', function () {
     params: {
       host: 'exchange.ortb.net',
       adUnitId: 789,
-      adUnitType: 'video'
+      adUnitType: 'video',
+      custom1: 'custom1',
+      custom2: 'custom2',
+      custom3: 'custom3',
+      custom4: 'custom4',
+      custom5: 'custom5'
     },
     placementCode: 'placement_2',
     auctionId: 'e4771143-6aa7-41ec-8824-ced4342c96c8',
@@ -196,7 +216,12 @@ describe('limelightDigitalAdapter', function () {
             'transactionId',
             'publisherId',
             'userIdAsEids',
-            'supplyChain'
+            'supplyChain',
+            'custom1',
+            'custom2',
+            'custom3',
+            'custom4',
+            'custom5'
           );
           expect(adUnit.id).to.be.a('number');
           expect(adUnit.bidId).to.be.a('string');
@@ -205,6 +230,11 @@ describe('limelightDigitalAdapter', function () {
           expect(adUnit.sizes).to.be.an('array');
           expect(adUnit.userIdAsEids).to.be.an('array');
           expect(adUnit.supplyChain).to.be.an('object');
+          expect(adUnit.custom1).to.be.a('string');
+          expect(adUnit.custom2).to.be.a('string');
+          expect(adUnit.custom3).to.be.a('string');
+          expect(adUnit.custom4).to.be.a('string');
+          expect(adUnit.custom5).to.be.a('string');
         })
       })
     })