Definitions
he following specified by _ReservationTypeEnum_ of DATEX II version 2.3. Enum:'mandatory, notAvailable, optional, partly'
Conditions for reservation. Applications _SHOULD_ inspect the value of this property at parent's level if it is not defined. Enum:'mandatory, notAvailable, optional, partly'.Enumerations of the term in this subject
['mandatory', 'notAvailable', 'optional', 'partly']