LINEDEVCONF Inside Switcher! High Level Architecture 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 { "replyToken": "nHuyWiB7yP5Zw52FIkcQobQuGDXCTA", "type": "message", "mode": "active", "timestamp": 1462629479859, "source": { "type": "user", "userId": "U4af4980629..." }, "message": { "id": "325708", "type": "text", "text": "Hello world!" ] } Switcher Push when handover Pop when handover or timeout Message Event Postback Event Handover