diff --git a/packages/destination-actions/src/destinations/topsort/purchase/__tests__/__snapshots__/snapshot.test.ts.snap b/packages/destination-actions/src/destinations/topsort/purchase/__tests__/__snapshots__/snapshot.test.ts.snap
index 956e66ff39..4b80522d03 100644
--- a/packages/destination-actions/src/destinations/topsort/purchase/__tests__/__snapshots__/snapshot.test.ts.snap
+++ b/packages/destination-actions/src/destinations/topsort/purchase/__tests__/__snapshots__/snapshot.test.ts.snap
@@ -10,6 +10,7 @@ Object {
           "productId": "4mevd8V",
           "quantity": -6621698275147776,
           "unitPrice": -66216982751477.76,
+          "vendorId": "4mevd8V",
         },
       ],
       "occurredAt": "2021-02-01T00:00:00.000Z",
diff --git a/packages/destination-actions/src/destinations/topsort/purchase/__tests__/index.test.ts b/packages/destination-actions/src/destinations/topsort/purchase/__tests__/index.test.ts
index 849b685e52..d97a5c2dc4 100644
--- a/packages/destination-actions/src/destinations/topsort/purchase/__tests__/index.test.ts
+++ b/packages/destination-actions/src/destinations/topsort/purchase/__tests__/index.test.ts
@@ -10,16 +10,14 @@ describe('Topsort.purchase', () => {
     nock(/.*/).persist().post(/.*/).reply(200)
 
     const event = createTestEvent({
-      properties: {
-        products: [
-          {
-            product_id: '123',
-            price: 100,
-            quantity: 1,
-            vendor_id: 'v123'
-          }
-        ]
-      }
+      products: [
+        {
+          product_id: '123',
+          price: 100,
+          quantity: 1,
+          brand: 'v123'
+        }
+      ]
     })
 
     const responses = await testDestination.testAction('purchase', {
diff --git a/packages/destination-actions/src/destinations/topsort/purchase/generated-types.ts b/packages/destination-actions/src/destinations/topsort/purchase/generated-types.ts
index 58fd24788e..935d338437 100644
--- a/packages/destination-actions/src/destinations/topsort/purchase/generated-types.ts
+++ b/packages/destination-actions/src/destinations/topsort/purchase/generated-types.ts
@@ -29,5 +29,9 @@ export interface Payload {
      * Count of products purchased.
      */
     quantity?: number
+    /**
+     * The vendor ID of the product being purchased.
+     */
+    vendorId?: string
   }[]
 }
diff --git a/packages/destination-actions/src/destinations/topsort/purchase/index.ts b/packages/destination-actions/src/destinations/topsort/purchase/index.ts
index 69a0e8b78a..699869783a 100644
--- a/packages/destination-actions/src/destinations/topsort/purchase/index.ts
+++ b/packages/destination-actions/src/destinations/topsort/purchase/index.ts
@@ -61,11 +61,17 @@ const action: ActionDefinition<Settings, Payload> = {
           description: 'Count of products purchased.',
           type: 'integer',
           required: false
+        },
+        vendorId: {
+          label: 'Vendor ID',
+          description: 'The vendor ID of the product being purchased.',
+          type: 'string',
+          required: false
         }
       },
       default: {
         '@arrayPath': [
-          '$.properties.products',
+          '$.products',
           {
             productId: { '@path': '$.product_id' },
             unitPrice: { '@path': '$.price' },