| AffiliationInfo | Provides information regarding affiliations, loyalty programs and award ratings.The AffiliationInfo object is used to identify the brand or franchise affiliations of the hotel. |
| AreaInfo | Provides information on area attractions, recreations and reference points.Defines well-known locations and attractions of local interest in the geographical area of the hotel facility as well as other area hotels. |
| ContactInfos | Provides contact information.A collection of ContactInfo elements that provides detailed contact information. |
| DestinationSystemsCode | A collection of destination systems codes.A collection of DestinationSystemCode. |
| EffectivePeriods | Collection of effective periods. |
| EnvironmentalImpact | Property environmental impact and green program/ initiative information.Property environmental impact and green program and initiative information. |
| FacilityInfo | Provides information pertaining to the hotel facitilty itself.The FacilityInfo class that describes the facilities provided at the hotel, including meeting rooms restaurants. |
| GDS_Info | This allows for information for GDS's to be specified.This defines codes used by individual GDS's, which can be used to upload rate information. |
| HotelInfo | Contains descriptive information about a hotel.The HotelInfo class that describes general information about the hotel. |
| MultimediaDescriptions | Multimedia information about a collection of multimedia objects.Contains multimedia item(s). |
| Policies | A collection of policy information as it applies to the hotel. |
| Promotions | A collection of packages and promotions. |
| RoomBlocks | Describes room block information accepted by the hotel. |
| TPA_Extensions | A placeholder in the schema to allow for additional elements and attributes to be included per Trading Partner Agreement (TPA).Allows extensions to be added to the OpenTravel specification per trading partner agreement. |
| Viewerships | Collection for viewerships.Viewerships determine the distribution channel(s) for a rate plan. As an optional element, the absence of Viewerships implies a generally available rate, while the presence of a Viewerships collection implies qualifications on the rate. This may also be used to define a system that is able to view the hotel content. |
| AreaUnitOfMeasureCode | Provides the unit of measure in which area is provided in this message. Refer to OpenTravel Code List Unit of Measure (UOM). |
| DistanceUnitOfMeasureCode | Provides the unit of measure in which distance is provided in this message. Refer to OpenTravel Code List Unit of Measure (UOM). |
| LanguageCode | Identification of the requested language to be used for the hotel descriptive information. ISO standard for human-readable languages. |
| RPH | Descriptive Content Reference ID. |
| TimeZone | Describes the local time zone in which the hotel is located. This could include additional information regarding time zones (e.g., Daylight Saving Time observed), a proprietary code, the difference between the local time and GMT. |
| WeightUnitOfMeasureCode | Provides the unit of measure in which weight is provided in this message. Refer to OpenTravel Code List Unit of Measure (UOM). |
| CurrencyCode | An ISO 4217 (3) alpha character code that specifies a monetary unit. |
| DecimalPlaces | The ISO 4217 standard "minor unit" for the number of decimal places for a particular currency. |
| Duration | The duration datatype represents a combination of year, month, day and time values representing a single duration of time, encoded as a single string. |
| End | The ending value of the time span. |
| Start | The starting value of the time span. |
| UnitOfMeasure | This is the standard unit of measure name (e.g., it could be generic such as metric or imperial or specific such as inches, feet, yards, miles, millimeters, centimeters, meters, kilometers- according to usage). |
| UnitOfMeasureCode | The unit of measure in a code format (e.g., inches, pixels, centimeters). Refer to OpenTravel Code List Unit of Measure Code (UOM). |
| UnitOfMeasureQuantity | This is the numeric value associated with the measurement. |