travelInformation. numberOfPassengers {#travel-info-numpassengers}
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Number of passengers for whom the ticket was issued.  
If you do not include this field in your request, a default value of 1 is used.  
Required for American Express SafeKey (US) for travel-related requests.

Specifications {#travel-info-numpassengers_Specifications}
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* **Data Length:** 3

Mapping Information {#travel-info-numpassengers_Mapping}
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* **REST API Field:** travelInformation.numberOfPassengers
* **SCMP API Field:** No corresponding field
* **Simple Order API Field:** No corresponding field