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Site configuration considerations can be found herehere: Southwest Direct Access (SDA) Frequently Asked Questions (FAQs)
Instructions on adding Southwest SDA as an Ancillary Source can be found here: Setting Up Air and Hotel Ancillary Sources
Custom PNR Script Samples can be found here: Custom PNR Script Samples
Alternatively, these can be copied from another site in your Superdomain
Option 5: Self-Service configuration using Southwest GDS content sourced from another GDS (Apollo, Worldspan, Amadeus). Note: this only applies for multi-GDS agencies.
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