A method and apparatus include a terminal device receiving a first message from a server that hosts a service available to the terminal device. The first message includes information about at least one attribute relating to a changeability of that at least one attribute having been changed. The terminal device sends a second message to the server in response to the first message that includes information identifying the information about the at least one attribute of the first message. The terminal device receives a third message from the server that includes information indicating a changeability setting for each of the at least one attribute identified in the first message. The terminal device updates how a user interface for the service is to be displayed so the user interface is displayed with attributes relating to the service being indicated as changeable or unchangeable in accordance with the third message.