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How to Read GDS Messages

GDS Message Syntax

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Standard Message

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Composition -

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Will teach you how to read a GDS message from top to bottom

GDS Message Identifiers

  1. DVD - Find out more specifics about Divide Messages
  2. PDM - Find out more about possible duplicate messages
  3. RLR - Find out more about Request for Locator messages
  4. CHNT - Find out more about Change Name Messages
  5. NAR - New Arrival Information
  6. NCO - New Continuation Information
  7. RQR - Request for reply
  8. AVS - Availability Status
  9. NRL - Advice of Record Locator change for PNR transferred from one Member/CRS system to another Airline Reservations/CRS System

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Message Interface Code Definitions

  1. GDS Message Definitions - This article will teach you the syntax and supported status codes of ameliaRES GDS Message Interface. 

Message Type Codes

Message Status Codes

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