The brandcode parameter specifies which brand user interface to display, or which brand sub-page to link to.
Example: http://www.ihg.com/redirect?brandCode=6c

This parameter specifies the language of the content presented. The locale code must be used in conjunction with a valid region code. Only certain combinations of region/locale code are supported. For example, region code 480 (Italy) must be used with locale code it (Italian). However, region code 1 (global) supports locale codes en (English) and locale code es (Spanish). Check with your IHG contact to ensure your combination is supported.
Example: http://www.ihg.com/redirect?localeCode=en®ionCode=1

The China domain specifies if the url should be handled by China domains.
Example: http://www.ihg.com.cn/redirect?hotelCode=ATLCP&cn=yes

The hotel code parameter is a unique 5 character value that corresponds to a specific hotel.
Example: http://www.ihg.com/redirect?hotelCode=ATLCP

The check-in date parameters allow you to append durations to any search that deals with reservations.
Example: http://www.ihg.com/redirect?checkInDate=dd
http://www.ihg.com/redirect?checkInMonthYear=mmyyyy

The check-out Date parameters allow you to append durations to any search that deals with reservations.
Example: http://www.ihg.com/redirect?checkOutDate=dd
http://www.ihg.com/redirect?checkOutMonthYear=mmyyyy

This parameter designates the number of adults in the reservation.
Example: http://www.ihg.com/redirect?numberOfAdults=8

This parameter designates the number of children in the reservation.
Example: http://www.ihg.com/redirect?numberOfAdults=3

This parameter designates the number of rooms in the reservation.
Example: http://www.ihg.com/redirect?numberOfRooms=9

The rate code parameter is a unique character code that corresponds to a specific rate. These codes are case sensitive and must be capitalized.
Example: http://www.ihg.com/redirect?rateCode=IDAAA

Valid PMIDs are eight digits in length.
Example: http://www.ihg.com/redirect?_PMID=12345678

Defines which content tab is open upon arrival to the page.