t;|out_of_stock| H[Handle Out of Stock]
        end

        subgraph shippingFlow[&quot;Shipping Flow&quot;]
            I[Create Label] --&gt;|assign_carrier| J[Assign Carrier]
            J --&gt;|schedule_pickup| K[Schedule Pickup]
        end

        subgraph loggingFlow[&quot;Logging &amp; Notification Flow&quot;]
            L[Logging] --&gt;|default| M[Notification]
        end

        paymentFlow --&gt; inventoryFlow
        inventoryFlow --&gt; shippingFlow
        shippingFlow --&gt; loggingFlo