update

order/order.go

@@ -42,8 +42,11 @@ type Created struct {
 	Country        string `json:"country"`
 	Currency       string `json:"currency,omitempty"`
 	CustomerEmail  string `json:"customer_email,omitempty"`
-	Lines          []Line `json:"lines"`
-	PlacedAtMs     int64  `json:"placed_at_ms,omitempty"`
+	// CustomerID is the customer profile ID for identity linking (B0.4). Reactors
+	// (e.g. profile service) use this to link the order to the customer profile.
+	CustomerID  string `json:"customer_id,omitempty"`
+	Lines       []Line `json:"lines"`
+	PlacedAtMs  int64  `json:"placed_at_ms,omitempty"`
 }
 
 // Encode serialises the payload for event.Event.Payload.