| Parameter | Details | 
|---|---|
| card_data | JSON object containing payment information for transaction | 
| credit_card_details | JSON object containing credit card data that is sent to PayPal to be vaulted | 
| client_id | Your PayPal application client ID (OAuth 2 credentials) | 
| paypal | PayPal Node SDK reference | 
| secret | Your PayPal application secret (OAuth 2 credentials) | 
| uuid | Reference to the node-uuid package | 
This sample takes the user through crediting a simple credit card transaction using the PayPal SDKs.