Gio.DBusMessage.prototype.set_flags

function set_flags(flags: Gio.DBusMessageFlags): void {
    // Gjs wrapper for g_dbus_message_set_flags()
}

Sets the flags to set on message.

Since 2.26

flags: Flags for message that are set (typically values from the Gio.DBusMessageFlags enumeration bitwise ORed together).