See Chat topic

Skype echo

require 'rubygems'
require 'Skype'

Skype.init 'some application name'
Skype.start_messageloop
Skype::ChatMessage.set_notify do |chatmessage, property, value|
  if chatmessage.get_chat.getTopic == "hogehoge" && value == 'RECEIVED' && property == :status
      chatmessage.get_chat.send_message "Hei, someone said, #{chatmessage.get_body}!"
  end
end
Skype.attach_wait
sleep