public enum CHLocale {
  KOREAN,
  JAPANESE,
  ENGLISH;
}

public class User {
  @NonNull
  private String id;

  @Nullable
  private String name;

  @Nullable
  private String avatarUrl;

  private int alert;

  @Nullable
  private Map<String, Object> profile;

  private boolean unsubscribed;

  @Nullable
  private List<String> tags;
}

public class LauncherConfig {
  Position position;
  float xMargin; // dp
  float yMargin; // dp
}

public enum Position {
  LEFT, RIGHT
}

public class Profile {
  String name;
  String email;
  String avatarUrl;
  String mobileNumber;
  Map<String, Object> property;
}

public Profile setName(String name)

public Profile setEmail(String email)

public Profile setAvatarUrl(String avatarUrl)

public Profile setMobileNumber(String mobileNumber)

public Profile setProperty(String key, Object value)

Profile profile = Profile.create()
    .setName("Zoyi Guest")
    .setEmail("[email protected]")
    .setMobileNumber("+821012345678")
    .setAvatarUrl("http://channel.io")
    .setProperty("HomePage", "www.zoyi.co");

public class PushEvent {
  String chatId;
  
  @Nullable
  String senderAvatarUrl;
  
  @Nullable
  String senderName;
  
  @Nullable
  String message;
}

UserData userData = new UserData.Builder()
  .setLocale(locale)
  .setProfileMap(profileMap)
  .setProfileOnceMap(null)
  .setTags(tags)
  .build()
  
ChannelIO.updateUser(userData, null);