Event

webhook event

There are some actions that will trigger the event to the webhook.

Currently we only have 2 actions, Message Event that will trigger when someone send a message and 2nd is Join Event that will trigger when user initiate a direct chat with the bot.

once the event message is sent to the setting webhook, developer can reply the message via message api

Message Event

Webhook event object which contains the sent message. The message property contains a message object which corresponds with the message type. You can reply to message events.

Property	Type	Description
type	String	message
replyToken	String	Token for replying to the event
message	Object	message's info (information below)
source	Object	event's source info
timestamp	Datetime	timestamp of the event

Join event

Event object for when user initiate chat to the bot. You can reply to join events.

Property	Type	Description
type	String	join
replyToken	String	Token for replying to this event
source	Object	event's source info
timestamp	Datetime	timestamp of the event

Message Object

Property	Type	Description
id	String	message
type	String	can be 'text', 'file', 'sticker'
groupId	String	gid
topicId	String	tid
text	String	content of the message

Source Object

Property	Type	Description
type	String	can be 'text', 'file', 'sticker'
uid	String	User ID
gid	String	Group ID (Add. Version 14.1.0)

Message

{
  "events": [
    {
      "replyToken": "3ceb5b7764d3a6f08607ae834f7a1f53ce7b8eee",
      "type": "message",
      "source": {
        "type": "user",
        "userId": "62deba7109109d41e2c36696",
        "username": "[email protected]"
      },
      "message": {
        "id": "65e1d708a70bd91d779451f3",
        "type": "text",
        "groupId": "65b918d365f74a275e29fe6e",
        "topicId": "65b918d365f74a275e29fe70",
        "text": "hi",
        "fileName": "Screenshot 2568-10-10 at 15.00.45-1760088727777.png",
        "pictureId": "4256bafe93ec4dc1bdadf9a49040a427"
      },
      "timestamp": "2024-03-01T13:24:28.489Z",
      "sessionId": "65b918d365f74a275e29fe6e_65b918d365f74a275e29fe70"
    }
  ]
}

Join

Image Retrieval API

GET {domain}/file/image/:pictureID?size=large

Description

This endpoint retrieves an image file that was sent by a user. The image is identified by its unique pictureID.

Header

Key	Value	Descriptiom
Authorization	Bearer {token}	Access token

Path Parameters

Parameter	Type	Description
pictureID	String	The unique identifier of the image to be retrieved.

Query Parameters

Parameter	Type	Required	Description
size	String	Optional	Specifies the size of the returned image. Supported values include: small, medium, and large. Default is medium.