Changes to Set an Unset Property

removed the enum value live from the path request parameter version

removed the enum value test from the path request parameter version

request property $once/additionalProperties list-of-types was widened by adding types array to media type application/json

the response property _message became required for the status 400

the response property _message became required for the status 401

the response property status became required for the status 400

the response property status became required for the status 401

removed the request property $once/property_1

removed the request property $once/property_2

removed the request property $once/property_n

endpoint added