airlineData_leg_#_couponNumber {#airline-data-leg-num-coupon-num}
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Coupon number for a specific travel leg within a ticket.  
A ticket may consist of multiple legs of travel. Each leg requires its own unique coupon number.

Specifications {#airline-data-leg-num-coupon-num_d1102e24}
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* **Data Type:** String
* **Data Length:** 1

Mapping Information {#airline-data-leg-num-coupon-num_d1102e43}
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* **REST API Field:** travelInformation.transit.airline.legs\[\].couponNumber
* **SCMP API Field:** airline_leg#_coupon_number
* **Simple Order API Field:** airlineData_leg_#_couponNumber