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

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