@card_nonce.setter<EOL><INDENT>def card_nonce(self, card_nonce):<DEDENT>
self._card_nonce = card_nonce<EOL>
Sets the card_nonce of this CreateCustomerCardRequest.
A card nonce representing the credit card to link to the customer.  Card nonces are generated by the `SqPaymentForm` that buyers enter their card information into. See [Embedding the payment form](/payments/sqpaymentform/overview) for more information.  __Note:__ Card nonces generated by digital wallets (e.g., Apple Pay) cannot be used to create a customer card.

:param card_nonce: The card_nonce of this CreateCustomerCardRequest.
:type: str