The unique identifier of the vaulted payment flow agreement between the customer's PayPal account and your PayPal business account.
A string value representing an existing customer in your Vault that owns this payment method. Use this to look up a single customer.
The email address belonging to the PayPal account. This field will not be populated if the PayPal transaction declines and the payment method was not previously stored in the Vault.
Subscriptions associated with the payment method.