diff --git a/contracts/create_order.yaml b/contracts/create_order.yaml
new file mode 100644
index 0000000..2c14cc3
--- /dev/null
+++ b/contracts/create_order.yaml
@@ -0,0 +1,13 @@
+id: a82ddfa5-c7a6-4179-bf30-2d50e6e57bad
+dataAssetResourceName: typescript://git@github.com:gabledata/tutorial:typescript:segment:Create order
+doc: "PLACEHOLDER: Add documentation"
+name: Create order
+namespace: typescript
+owner: suzanne@gable.ai
+schema:
+  - name: orderId
+    type: string
+    doc: "PLACEHOLDER: Add documentation"
+  - name: numOfProducts
+    type: string
+    doc: "PLACEHOLDER: Add documentation"
diff --git a/contracts/order_created.yaml b/contracts/order_created.yaml
new file mode 100644
index 0000000..03b12d9
--- /dev/null
+++ b/contracts/order_created.yaml
@@ -0,0 +1,30 @@
+id: a1e6540d-bf91-423a-8b4e-a2cafc497782
+dataAssetResourceName: protobuf://git@github.com:gabledata/tutorial/event_schemas/OrderCreated.proto:tutorial.OrderCreated
+doc: "PLACEHOLDER: Add documentation"
+name: OrderCreated
+namespace: tutorial
+owner: eng@gable.ai
+schema:
+  - name: order_id
+    type: string
+    bytes: 2147483648
+    doc: "PLACEHOLDER: Add documentation"
+  - name: user_id
+    type: string
+    bytes: 2147483648
+    doc: "PLACEHOLDER: Add documentation"
+  - name: total_amount
+    type: float
+    bits: 32
+    doc: "PLACEHOLDER: Add documentation"
+  - name: created_at
+    type: int
+    logical: Timestamp
+    unit: nanosecond
+    timezone: UTC
+    bits: 64
+    doc: "PLACEHOLDER: Add documentation"
+  - name: total_items
+    type: int
+    bits: 32
+    doc: "PLACEHOLDER: Add documentation"
diff --git a/typescript/server/order.ts b/typescript/server/order.ts
index 682bb4f..ad92c72 100644
--- a/typescript/server/order.ts
+++ b/typescript/server/order.ts
@@ -13,7 +13,7 @@ app.post('/createorder', (req, res) => {
     analytics.track({
       userId: req.body.userId,
       event: 'Create order',
-      properties: { orderId: '99482', numOfProducts: '5' }
+      properties: { orderId: '99482', numOfProducts: 123 }
     })
      res.sendStatus(201)
   });