@canceled_at.setter<EOL><INDENT>def canceled_at(self, canceled_at):<DEDENT>
self._canceled_at = canceled_at<EOL>
Sets the canceled_at of this OrderFulfillmentPickupDetails.
The [timestamp](#workingwithdates) in RFC3339 timestamp format, e.g., \"2016-09-04T23:59:33.123Z\", indicating when the fulfillment was canceled by the merchant or buyer.

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