diff --git a/modules/stroeerCoreBidAdapter.js b/modules/stroeerCoreBidAdapter.js
index 35f40953b1f..072b72a6724 100644
--- a/modules/stroeerCoreBidAdapter.js
+++ b/modules/stroeerCoreBidAdapter.js
@@ -216,6 +216,7 @@ const mapToPayloadBaseBid = (bidRequest) => ({
   bid: bidRequest.bidId,
   sid: bidRequest.params.sid,
   viz: elementInView(bidRequest.adUnitCode),
+  sfp: bidRequest.params.sfp,
 });
 
 const mapToPayloadBannerBid = (bidRequest) => {
diff --git a/test/spec/modules/stroeerCoreBidAdapter_spec.js b/test/spec/modules/stroeerCoreBidAdapter_spec.js
index 66e2b575b8b..3cd9626885d 100644
--- a/test/spec/modules/stroeerCoreBidAdapter_spec.js
+++ b/test/spec/modules/stroeerCoreBidAdapter_spec.js
@@ -533,6 +533,7 @@ describe('stroeerCore bid adapter', function () {
                 'siz': [[300, 600], [160, 60]],
                 'fp': undefined
               },
+              'sfp': undefined,
             },
             {
               'sid': 'ABC=',
@@ -541,7 +542,8 @@ describe('stroeerCore bid adapter', function () {
                 'siz': [[100, 200], [300, 500]],
                 'fp': undefined
               },
-              'viz': undefined
+              'viz': undefined,
+              'sfp': undefined,
             }
           ];
 
@@ -555,7 +557,8 @@ describe('stroeerCore bid adapter', function () {
                 'siz': [640, 480],
                 'mim': ['video/mp4', 'video/quicktime'],
                 'fp': undefined
-              }
+              },
+              'sfp': undefined,
             }
           ];
 
@@ -597,7 +600,8 @@ describe('stroeerCore bid adapter', function () {
               'ban': {
                 'siz': [[100, 200], [300, 500]],
                 'fp': undefined
-              }
+              },
+              'sfp': undefined,
             }
           ];
 
@@ -611,14 +615,14 @@ describe('stroeerCore bid adapter', function () {
                 'siz': [640, 480],
                 'mim': ['video/mp4', 'video/quicktime'],
                 'fp': undefined
-              }
+              },
+              'sfp': undefined,
             }
           ];
 
           assert.deepEqual(serverRequestInfo.data.bids, [...expectedBannerBids, ...expectedVideoBids]);
         });
       });
-
       describe('optional fields', () => {
         it('should skip viz field when unable to determine visibility of placement', () => {
           placementElements.length = 0;
@@ -898,6 +902,39 @@ describe('stroeerCore bid adapter', function () {
 
           assert.deepEqual(sentOrtb2, ortb2);
         });
+
+        it('should add the special format parameters', () => {
+          const bidReq = buildBidderRequest();
+
+          const sfp0 = {
+            'field1': {
+              'abc': '123',
+            }
+          };
+
+          const sfp1 = {
+            'field3': 'xyz'
+          };
+
+          bidReq.bids[0].params.sfp = utils.deepClone(sfp0);
+          bidReq.bids[1].params.sfp = utils.deepClone(sfp1);
+
+          const serverRequestInfo = spec.buildRequests(bidReq.bids, bidReq);
+
+          assert.deepEqual(serverRequestInfo.data.bids[0].sfp, sfp0);
+          assert.deepEqual(serverRequestInfo.data.bids[1].sfp, sfp1);
+        });
+
+        it('should add the special format parameters even when it is an empty object', () => {
+          const bidReq = buildBidderRequest();
+
+          bidReq.bids[0].params.sfp = {};
+
+          const serverRequestInfo = spec.buildRequests(bidReq.bids, bidReq);
+
+          assert.deepEqual(serverRequestInfo.data.bids[0].sfp, {});
+          assert.isUndefined(serverRequestInfo.data.bids[1].sfp);
+        });
       });
     });
   });