Introduction to PayPal Express Checkout : Order Tracking

Order Tracking
For general information about order tracking, see Getting Started with CyberSource Advanced for the SCMP API.
Reconciliation IDs and Transaction Reference Numbers
Reconciliation IDs and transaction reference numbers are not supported for PayPal Express Checkout.
Request IDs
For PayPal Express Checkout, all services are follow-on services except:
Request IDs in Reply Messages
For all PayPal Express Checkout services, the request ID is returned in the reply message in request_id.
Request IDs in Request Messages
The following table lists the field names for the PayPal Express Checkout request IDs in request messages.
For a standard order: paypal_ec_do_payment_request_id
For a custom order: paypal_authorization_request_id
For a custom order: paypal_ec_order_setup_request_id
For a billing agreement: paypal_do_ref_transaction_request_id
For a standard order: paypal_ec_do_payment_request_id
For a custom order when reversing an order setup:
    paypal_ec_order_setup_request_id
For a custom order when reversing an authorization:
    paypal_authorization_request_id