> ## Documentation Index
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# PayPal Express Checkout Attributes

These attributes are relevant only for PayPal Express Checkout. For Braintree PayPal, see [Braintree PayPal](braintreePayPal_r).

| Name | Type | Description |
| - | - | - |
| object | string | Value is “PayPal” |
| paypal\_email | string | PayPal Email Address of User |
| payer\_id | string | A unique PayPal subscriber account identification PayerID |
| return\_url | string | The URL to which you would like customers to be redirected after they have successfully completed payment transactions on the PayPal site. This is often your confirmation page, on which the customer confirms the order and payment or the billing agreement. Example: `http://myshoppingcart.merchant.com` |
| cancel\_url | string | The URL to which you would like to redirect customers after a cancelled or unsuccessful transaction on the PayPal site. Example: `http://tryagain.merchant.com` |
| request\_reference\_id | boolean | When processing the initial Transaction for a Subscription, ask PayPal for a Reference ID that can be used in the future for recurring billing. This works only if you have been previously approved for Reference Transactions by PayPal. |
| reference\_id | string | PayPal field `REFERENCEID`, which is the Billing Agreement ID or Reference Transaction ID associated with a PayPal Billing Agreement. If you enter a value for this data member, set requestReferenceId to false. |

**Parent topic:**[PayPal Express Checkout](../topics/PayPal_Express_Checkout)


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