 Errors | Indicates that an error occurred in the processing of the incoming request message. An error is defined as a malformed XML message that could not be processed. A collection of errors that occurred during the processing of a message. |
| Fees | A collection of fees associated with this vehicle quotation. |
 LocationDetails | Information on the rental location (pick up or drop off), including address, telephone, directions, hours of operations, etc. |
| PricedCoverages | A collection of coverages, along with associated price and details. |
| PricedEquips | A collection of special equipment that is part of this quote, along with the charges associated with this equipment. |
| RateRules | Collection of rules pertaining to the rental rate and/or vehicle. |
| RentalRate | Information on the rates associated with this vehicle. Rate information can include the distance and the base rental cost, along with information on the various factors that may influence this rate. This element may repeat to allow different distances to be made available for different charges. For example, $20.00 with 100 miles per day or $30.00 for unlimited mileage. |
| Success | An element that is not intended to contain any data. The mere presence of a success element within the response message indicates that the incoming request message was processed successfully.Returning an empty element of this type indicates the successful processing of an OpenTravel message. This is used in conjunction with the Warning Type to report any warnings or business errors. |
| TotalCharge | The anticipated total cost of a reservation, the sum of the individual charges, optional charges and associated fees. |
| 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. |
| Vehicle | Information on one specific vehicle. |
| VehRentalCore | Contains rental dates, times, and locations. |
| VendorMessages | A collection of vendor messages related to the rental rate.Collection of vendor messages. |
| Warnings | Indicates that the recipient of the request message identified one or more business-level warnings/errors, but the message itself was successfully processed.Collection of warnings. |
| AltLangID | The alternate language for a customer or message encoded as ISO 639-3. |
| CorrelationID | Allows end-to-end correlation of log messages with the corresponding Web service message throughout the processing of the Web service message. |
| EchoToken | A reference for additional message identification, assigned by the requesting host system. |
| PrimaryLangID | The primary language preference for the message encoded as ISO 639-3. |
| RetransmissionIndicator | When true, indicates the message is being re-sent after a failure. |
| SequenceNmbr | The sequence number of the transaction assigned by the sending system for ordered message processing or message resynchronization. |
| Target | Test or Production target system indicator. |
| TargetName | The name of the Test or Production system. |
| TimeStamp | ISO 8601 encoded timestamp indicating the creation date and time of the message. |
| TransactionIdentifier | Unique identifier to relate all messages within a transaction (e.g. this would be sent in all request and response messages that are part of an on-going transaction). |
| TransactionStatusCode | This indicates where this message falls within a sequence of messages. |
| Version | The OpenTravel message version indicated by a decimal value. |