includedInventorySourceIds

Querying with no includedInventorySourceIds parameter will return listings from all available inventory sources. Query with the includedInventorySourceIds parameter included will only return listings from the requested inventory sources. All others will be left out. includedInventorySourceId=24 will return only Expedia lodging inventory. includedInventorySourceId=83 will return only Vrbo lodging inventory. includedInventorySourceId=24,83 will return both Expedia and Vrbo lodging inventory.