boardingPolicy constant
IriTerm
const boardingPolicy
boardingPolicy [Expects: https://schema.org/BoardingPolicyType]
The type of boarding policy used by the airline (e.g. zone-based or group-based).
Can be used on: https://schema.org/Airline, https://schema.org/Flight
Implementation
static const boardingPolicy = IriTerm('https://schema.org/boardingPolicy');