diff --git a/modules/zeta_global_sspBidAdapter.js b/modules/zeta_global_sspBidAdapter.js
index 1ed35792285..2f392ccdbd3 100644
--- a/modules/zeta_global_sspBidAdapter.js
+++ b/modules/zeta_global_sspBidAdapter.js
@@ -146,6 +146,15 @@ export const spec = {
       deepSetValue(payload, 'regs.ext.us_privacy', bidderRequest.uspConsent);
     }
 
+    // schain
+    if (validBidRequests[0].schain) {
+      payload.source = {
+        ext: {
+          schain: validBidRequests[0].schain
+        }
+      }
+    }
+
     if (bidderRequest?.timeout) {
       payload.tmax = bidderRequest.timeout;
     }
diff --git a/test/spec/modules/zeta_global_sspBidAdapter_spec.js b/test/spec/modules/zeta_global_sspBidAdapter_spec.js
index 3cec0d79fcb..4e18f49c849 100644
--- a/test/spec/modules/zeta_global_sspBidAdapter_spec.js
+++ b/test/spec/modules/zeta_global_sspBidAdapter_spec.js
@@ -25,6 +25,22 @@ describe('Zeta Ssp Bid Adapter', function () {
     }
   ];
 
+  const schain = {
+    complete: 1,
+    nodes: [
+      {
+        asi: 'asi1',
+        sid: 'sid1',
+        rid: 'rid1'
+      },
+      {
+        asi: 'asi2',
+        sid: 'sid2',
+        rid: 'rid2'
+      }
+    ]
+  };
+
   const params = {
     user: {
       uid: 222,
@@ -103,6 +119,7 @@ describe('Zeta Ssp Bid Adapter', function () {
       gdprApplies: 1,
       consentString: 'consentString'
     },
+    schain: schain,
     uspConsent: 'someCCPAString',
     params: params,
     userIdAsEids: eids,
@@ -372,4 +389,11 @@ describe('Zeta Ssp Bid Adapter', function () {
     expect(spec.onTimeout).to.exist.and.to.be.a('function');
     expect(spec.onTimeout({ timeout: 1000 })).to.be.undefined;
   });
+
+  it('Test schain provided', function () {
+    const request = spec.buildRequests(bannerRequest, bannerRequest[0]);
+    const payload = JSON.parse(request.data);
+
+    expect(payload.source.ext.schain).to.eql(schain);
+  });
 });