Type Alias MessageType

MessageType:
    | "Text"
    | "Facebook"
    | "Line"
    | "GoogleHome"
    | "Alexa"
    | "Omega"
    | "AppleBusinessChat"
    | "WeChat"
    | "WebChat"
    | "WhatsApp"
    | "Phone"
    | "EmbeddedMessaging"
    | "Voice"