Define a custom parameter type for use in steps.
define the behaviour of this parameter type
ParameterType({ name: 'flight', regexp: /([A-Z]{3})-([A-Z]{3})/, transformer(from, to) { return new Flight(from, to) },}) Copy
ParameterType({ name: 'flight', regexp: /([A-Z]{3})-([A-Z]{3})/, transformer(from, to) { return new Flight(from, to) },})
Define a custom parameter type for use in steps.