iconName property
iconName The chosen icon name for short filter representation. If non-empty, must be one of "All", "Unread", "Unmuted", "Bots", "Channels", "Groups", "Private", "Custom", "Setup", "Cat", "Crown", "Favorite", "Flower", "Game", "Home", "Love", "Mask", "Party", "Sport", "Study", "Trade", "Travel", "Work".. If empty, use getChatFilterDefaultIconName to get default icon name for the filter
Implementation
final String iconName;