@property<EOL><INDENT>def idempotency_key(self):<DEDENT>
return self._idempotency_key<EOL>
Gets the idempotency_key of this CreateOrderRequest.
A value you specify that uniquely identifies this order among orders you've created.  If you're unsure whether a particular order was created successfully, you can reattempt it with the same idempotency key without worrying about creating duplicate orders.  See [Idempotency](/basics/api101/idempotency) for more information.

:return: The idempotency_key of this CreateOrderRequest.
:rtype: str