OptionalunknownThe value to use when the enum value is unknown. This can optionally be used to provide forward-compatibility, Specifying what value to use if the client does not recognize the returned value. It is not possible to ingest the unknown value, but it must be part of the allowed values.
A set of all possible values for the enum property. The enum value identifier has to have a length of between 1 and 127 characters. It must also match the pattern ^[_A-Za-z][_0-9A-Za-z]{0,127}$.
Example: { "value1": { "name": "Value 1", "description": "This is value 1" }, "value2": { } }
An enum type property.
An enum property can only consist for predefined values.
Example