Message objects for APIs

Chatlayer.ai supports different types of chat messages, each with his own object structure. Chat messages can be sent:
As a response from the API plugin
From your webhook to Chatlayer.ai
Each message has two mandatory fields:
type: the messages type (carousel, buttons, list, media, text, …)
config: the message configuration
Text
A text message includes a simple bot text message.
Request format:
{
  "senderId": "a7355930-fa92-11e7-8308-2f056e75d1ee",
  "message":  {
    "text": "Hi, I'm a chatbot"
  },
  "messageCounter": 1,
  "verifyToken": "8wMsLZkdDPT64nqh"
}
Property
Value
Description
text
string
The user test message.
Button Template
A button template includes a simple bot text message and an array of button objects.
Request format:
{
  "senderId": "a7355930-fa92-11e7-8308-2f056e75d1ee",
  "message":  {
    "attachment": {
      "type": "template",
      "payload": {
        "template_type": "button",
        "text": "Hello, in which language can I help you?",
        "buttons": [
          {
            "type": "postback",
            "title": "Nederlands",
            "payload": "{\"params\": [{\"key\": \"userLangSelected\", \"value\": 
                       \"nl-nl\"}], \"nextDialogstateId\": 3050, \"type\": \"button\", 
                       \"caption\": \"Nederlands\"}"
          },
          {
            "type": "postback",
            "title": "English",
            "payload": "{\"params\": [{\"key\": \"userLangSelected\", \"value\": 
                       \"en-us\"}], \"nextDialogstateId\": 3050, \"type\": \"button\", 
                       \"caption\": \"English\"}"
          },
        ]
      }
    }
  },
  "messageCounter": 1,
  "verifyToken": "8wMsLZkdDPT64nqh"
}
Message object for button template:
Property
Value
Description
attachment
object
The attachment object.
Attachment object:
Property
Value
Description
type
string
The attachment type (template)
payload
object
The attachment payload object. The object structure depends of the attachment type
Attachment payload object:
Property
Value
Description
template_type
string
The template type (button)
text
string (optional)
The text above the buttons ( only for a button template type)
buttons
array
An array of button objects
Button object:
Property
Value
Description
type
string
The button type (web_url - postback - phone_numberl - element_share)
title
string
The button caption
payload
object (type postback) or string (type phone_number) - optional
The button payload. Only for postback type buttons.
url
string - optional
The button url. Only for url type buttons
Button payload object:
Property
Value
Description
params
array with key/value objects
The key - value configuration settings of the button. This data will be saved in to the user session state data when he clicks this button.
nextDialogstateId
string
The dialog state to which the user will be navigated after the button click
type
string
UI component type (button)
caption
string
The button caption
Quick replies
A quick reply message includes a simple bot text message and an array of quick reply objects.
Request format:
{
  "senderId": "a7355930-fa92-11e7-8308-2f056e75d1ee",
  "message":  {
    "text": "Hello, in which language can I help you?",
    "quick_replies": [
      {
        "content_type": "text",
        "title": "Nederlands",
        "payload": "{\"params\": [{\"key\": \"userLangSelected\", \"value\": 
                   \"nl-nl\"}], \"nextDialogstateId\": 3050, \"type\": \"button\", 
                   \"caption\": \"Nederlands\"}",
        "image_url": "https://domain/logo.png"
      },
      {
        "content_type": "text",
        "title": "English",
        "payload": "{\"params\": [{\"key\": \"userLangSelected\", \"value\": 
                   \"en-us\"}], \"nextDialogstateId\": 3050, \"type\": \"button\", 
                   \"caption\": \"English\"}",
        "image_url": "https://domain/logo.png"
      },
    ]
  },
  "messageCounter": 1,
  "verifyToken": "8wMsLZkdDPT64nqh"
}
Message object for quick replies:
Property
Value
Description
text
string
The text before the quick replies.
quick_replies
array
An array of quick reply objects
Quick reply object:
Property
Value
Description
content_type
string
The quick reply content type (text)
title
string
The button caption
payload
object
The quick reply payload
Quick reply payload object:
Property
Value
Description
params
array with key/value objects
The key - value configuration settings of the quick reply. This data will be saved in to the user session state data when the user clicks this quick reply.
nextDialogstateId
string
The dialog state to which the user will be navigated after the quick reply click
type
string
UI component type ( quickreply)
caption
string
The button/quick reply caption
Generic template
A generic template (carousel) includes a list of generic template elements. The generic template element is a simple structured message that includes a title, subtitle, image, and up to three buttons
Request format:
{
  "senderId": "a7355930-fa92-11e7-8308-2f056e75d1ee",
  "message":  {
    "attachment": {
      "type": "template",
      "payload": {
        "template_type": "generic",
        "elements": [
          {
             "title": "Language",
             "subtitle": "Please set your language",
             "image_url": "https://domain/lang.png",
             "item_url": "https://domain/lang",
             "buttons": [
               {
                 "type": "postback",
                 "title": "Nederlands",
                 "payload": "{\"params\": [{\"key\": \"userLangSelected\", \"value\": 
                            \"nl-nl\"}], \"nextDialogstateId\": 3050, \"type\": \"button\", 
                            \"caption\": \"Nederlands\"}"
               },
               {
                 "type": "postback",
                 "title": "English",
                 "payload": "{\"params\": [{\"key\": \"userLangSelected\", \"value\": 
                            \"en-us\"}], \"nextDialogstateId\": 3050, \"type\": \"button\", 
                            \"caption\": \"English\"}"
               },
            ]
          }
        ]
      }
    }
  },
  "messageCounter": 1,
  "verifyToken": "8wMsLZkdDPT64nqh"
}
Message object for generic template:
Property
Value
Description
attachment
object
The attachment object.
Attachment object:
Property
Value
Description
type
string
The attachment type (template)
payload
object
The attachment payload object. The object structure depends of the attachment type
Attachment payload object:
Property
Value
Description
template_type
string
The template type (generic)
elements
array
An array of generic template elements (carousel cards)
Generic template element object:
Property
Value
Description
title
string
The carousel card title
subtitle
string
The carousel card subtitle
image_url
string
The carousel card image
item_url
string
The carousel card url. When the user clicks the image the web page opens in a new browser tab.
buttons
array
An array of button objects
Button object:
Property
Value
Description
type
string
The button type (web_url - postback - phone_numberl - element share)
title
string
The button caption
payload
object (type postback) or string (type phone_number) - optional
The button payload. Only for postback type buttons.
url
string - optional
The button url. Only for url type buttons
Button payload object:
Property
Value
Description
params
array with key/value objects
The key - value configuration settings of the button. This data will be saved in to the user session state data when he clicks this button or quick reply.
nextDialogstateId
string
The dialog state to which the user will be navigated after the button/quick reply click
type
string
UI component type (button or quick reply)
caption
string
The button/quick reply caption
List template
The list template is a list of 2-4 structured items with an optional global button rendered at the bottom. Each item may contain a thumbnail image, title, subtitle, and one button. You may also specify a default_action object that sets a URL that will be opened when the item is tapped.
Request format:
{
  "senderId": "a7355930-fa92-11e7-8308-2f056e75d1ee",
  "message":  {
    "attachment": {
      "type": "template",
      "payload": {
        "template_type": "list",
        "elements": [
          {
             "title": "Language",
             "subtitle": "Select your language",
             "image_url": "https://domain/lang.png",
             "default_action": {
                "type": "web_url",
                "url": "default_url"
              }
             "buttons": [
               {
                 "type": "postback",
                 "title": "Nederlands",
                 "payload": "{\"nextDialogstateId\": 3050, \"type\": \"button\", 
                            \"caption\": \"button\"}"
               }
            ]
          }
        ],
        "buttons": []
      }
    }
  },
  "messageCounter": 1,
  "verifyToken": "8wMsLZkdDPT64nqh"
}
Message object for list template:
Property
Value
Description
attachment
object
The attachment object.
Attachment object:
Property
Value
Description
type
string
The attachment type (template)
payload
object
The attachment payload object. The object structure depends of the attachment type
Attachment payload object:
Property
Value
Description
template_type
string
The template type (list)
elements
array
An array of list element
buttons
array
An array of general list button objects
List template element object:
Property
Value
Description
title
string
The carousel card title
subtitle
string
The carousel card subtitle
image_url
string
The carousel card image
default_action
object
The default action when the user taps the list item.
buttons
array
An array of list item button objects
Default action object:
Property
Value
Description
type
string
The action type (web_url)
url
string
The action ur. When the user taps the list element this web page will open in a new browser tab.
Button object:
Property
Value
Description
type
string
The button type (web_url - postback - phone_numberl - element share)
title
string
The button caption
payload
object (type postback) or string (type phone_number) - optional
The button payload. Only for postback type buttons.
url
string - optional
The button url. Only for url type buttons
Button payload object:
Property
Value
Description
params
array with key/value objects
The key - value configuration settings of the button. This data will be saved in to the user session state data when he clicks this button or quick reply.
nextDialogstateId
string
The dialog state to which the user will be navigated after the button/quick reply click
type
string
UI component type (button or quick reply)
caption
string
The button/quick reply caption
Attachment
An attachment represents a file such as images and video.
Request format:
{
  "senderId": "a7355930-fa92-11e7-8308-2f056e75d1ee",
  "message":  {
    "attachment": {
      "type": "image"
      "payload": {
        "url": "image_url",
      }
    }
  },
  "messageCounter": 1,
  "verifyToken": "8wMsLZkdDPT64nqh"
}
Message object for attachment:
Property
Value
Description
attachment
object
The attachment object.
Attachment object:
Property
Value
Description
type
string
The attachment type (image-video)
payload
object
The attachment payload object. The object structure depends of the attachment type
Attachment payload object:
Property
Value
Description
url
string
The attachment url
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Property	Value	Description
text	string	The user test message.