Protected ReadonlyargsOptionalmethodArgs: {Checks if one or more Orders exist with provided query predicate in a BusinessUnit. Returns a 200 status if any Orders match the query predicate, or a 404 status otherwise.
OptionalmethodArgs: {Creates an Order from a Cart in a BusinessUnit.
The Cart must have a shipping address and an active Shipping Method set.
If the Cart does not reference the same BusinessUnit as the `businessUnitKey` path parameter, an [InvalidOperation](ctp:api:type:InvalidOperationError) is returned.
Specific Error Codes:
- [DiscountCodeNonApplicable](ctp:api:type:DiscountCodeNonApplicableError)
- [InvalidItemShippingDetails](ctp:api:type:InvalidItemShippingDetailsError)
- [OutOfStock](ctp:api:type:OutOfStockError)
- [PriceChanged](ctp:api:type:PriceChangedError)
- [ShippingMethodDoesNotMatchCart](ctp:api:type:ShippingMethodDoesNotMatchCartError)
- [MatchingPriceNotFound](ctp:api:type:MatchingPriceNotFoundError)
- [MissingTaxRateForCountry](ctp:api:type:MissingTaxRateForCountryError)
Retrieves Orders in a BusinessUnit.