| AccessibilityRequirement | Physically challenged accessibility preferences. NOT ALL TOUR/ ACTIVITY RESERVATION SYSTEMS CAN DETERMINE AVAILABILITY BASED ON ACCESSIBILITY CRITERIA. Check with your trading partner before implementing this functionality.Physically challenged accessibility preferences. |
  BasicInfo | Core identifying information for the tour(s)/activity(s) which availability is being requested for. |
| Discount | Promotion codes and discount program information that may influence availability. |
| GroupInfo | Group information for which availability is being requested. |
| Location | Physical address, region and geocoding tour/ activity location information.Location information for the tour and/or activity. |
| MultimodalOffer | Multimodal offer influencers.Traveler and trip information used for targeted multi-modal offers. |
| NegotiatedRate | Negotiated rate information that may influence availability.Negotiated pricing for corporations and groups. |
| ParticipantCount | Specifies the number of participants and optionally the participant category. |
| Schedule | The requested start date(s) and optional time(s) of the tour/ activity search period.
Up to nine date/time combinations may be requested.
Note that for each start or end period date, up to 5 times may also be requested. |