@property<EOL><INDENT>def pickup_window_duration(self):<DEDENT>
return self._pickup_window_duration<EOL>
Gets the pickup_window_duration of this OrderFulfillmentPickupDetails.
The pickup window duration in RFC3339 duration format, e.g., \"P1W3D\". This duration represents the window of time for which the order should be picked up after the `pickup_at` time. Can be used as an informational guideline for merchants.

:return: The pickup_window_duration of this OrderFulfillmentPickupDetails.
:rtype: str