@expires_at.setter<EOL><INDENT>def expires_at(self, expires_at):<DEDENT>
self._expires_at = expires_at<EOL>
Sets the expires_at of this OrderFulfillmentPickupDetails.
The expiry [timestamp](#workingwithdates) in RFC 3339 format, e.g., \"2016-09-04T23:59:33.123Z\". This timestamp indicates when the pickup fulfillment will expire if it is not accepted by the merchant. Expiration time can only be set up to 7 days in the future. If not set, this pickup fulfillment will be automatically accepted when placed.

:param expires_at: The expires_at of this OrderFulfillmentPickupDetails.
:type: str