Request message format - Modify

Element Path	Attribute	Occ	Type	Notes
HotelML/Head/Process		1
	DataPath	1	Char	Set to "/HotelML/Form/ModifyReservation”
	Function	1	Char	Set to “TI_ModifyReservationV1_1”
	Token	1	Char	Unique ID for the transaction generated by the system sending the transaction.
HotelML/Head/Route		1
	Source	1	Char 2-3	Identifies the organization sending the transaction. The value to use will be provided during the implementation project.
	Destination	1	Char 2	Always set to “00” (i.e. zero zero).
HotelML/Form/ModifyReservation
	Session	0..1	Enum	Set to “New” if using active session control (i.e. booking will not be confirmed until committed using the SessionControl message). Otherwise omit the attribute.
HotelML/Form/ModifyReservation/Res ervation		1		The Reservation element is used to identify the booking to be modified. This includes the confirmation number plus other information to verify the booking (e.g. arrival/departure dates, guest name etc.)
	Confirmation Number	1	Char 6-80	CRS confirmation number
	InDate	1	Date	Arrival date
	OutDate	1	Date	Departure date
	PropertyCode	1	Char 10	Chain and property code – e.g. “UI;12345”
HotelML/Form/ModifyReservation/ Locale		0..1		This is used to request the response in a specific language. Note: It can only be included if requesting a language other than English.`
	Language	1	Char 2	Language code – e.g. “FR”
	Country	0..1	Char	Optional country name – e.g. “France”.
HotelML/Form/ModifyReservation/ Reservation/Guest		1		Name of primary guest
	FirstName	1	Char 99	Guest’s first name or initials. Total length of FirsName + LastName cannot exceed 99 characters
	LastName	1	Char 99	Guest’s last name
HotelML/Form/ModifyReservation/ UpdateReservation		1		The UpdateReservation element contains a full recap of the booking, containing both changed and unchanged information. The content of this element and all child elements is exactly the same as the BookReservation element (and so not repeated here) except that the PropertyCode and Session attributes are not used.