Enumeration Members
ADD_NEW_MEMBER
ADD_NEW_MEMBER: "chat-room-add"
CHATROOM_UPDATED
CHATROOM_UPDATED: "chatroom-updated"
INVITE_NEW_MEMBER
INVITE_NEW_MEMBER: "chat-room-invite"
PIN_MESSAGE
PIN_MESSAGE: "message-pinned"
UNPIN_MESSAGE
UNPIN_MESSAGE: "message-unpinned"
