Message Data Model

The message data model represent a message sent from your bot to a subscribed user.
The bots API supports the following message types:

Text
Picture
Video
File
Contact
Location
URL
Sticker
Rich Media

Message Size Limit

The maximum size of a message is 30KB.

Text Message

The text message data model represents a message that contains text only.
The JSON representation of a text message is as follows:

Text
{
   "receiver":"jc9HsWTZ2Yf2NkRZ8KcNug==",
   "min_api_version":1,
   "sender":{
      "name":"My Awesome Bote",
      "avatar":"http://avatar.example.com"
   },
   "tracking_data":"tracking data",
   "type":"text",
   "text":"Hello world!"
}

Field	Type	Description	Notes
receiver	string	The unique ID of the subscriber to send the message to.	Required.
min_api_version	integer	The minimum API version required by clients to receive this message (default 1).	Optional. It is important to note that the client version must support the API version specified. If the version number is set below the required version for certain features, those features may not work as expected.
sender.name	string	The name of the bot.	Required. Max 28 characters.
sender.avatar	string	The URL of the bot's avatar.	Optional. the avatar size should not exceed 100KB. The recommended dimensions for the avatar are 720x720
tracking_data	string	Allow the bot to track messages and user’s replies. The tracking_data value sent with the message will be returned with the user's reply.	Optional Max 4000 characters
type	string	The message type.	Required. Always `text`.
text	string	The message text.	Required. Max 7000 characters.

Picture Message

The picture message data model represents a message that contains a picture.
The JSON representation of a picture message is as follows:

Picture
{
   "receiver":"jc9HsWTZ2Yf2NkRZ8KcNug==",
   "min_api_version":1,
   "sender":{
      "name":"My Awesome Bote",
      "avatar":"http://avatar.example.com"
   },
   "tracking_data":"tracking data",
   "type":"picture",
   "text":"My picture",
   "media":"http://media.example.com/picture.jpg",
   "thumbnail":"http://media.example.com/picture_thumbnail.jpg"
}

Field	Type	Description	Notes
receiver	string	The unique ID of the subscriber to send the message to.	Required.
min_api_version	integer	The minimum API version required by clients to receive this message (default 1).	Optional. It is important to note that the client version must support the API version specified. If the version number is set below the required version for certain features, those features may not work as expected.
sender.name	string	The name of the bot.	Required. Max 28 characters.
sender.avatar	string	The URL of the bot's avatar.	Optional. the avatar size should not exceed 100KB. The recommended dimensions for the avatar are 720x720.
tracking_data	string	Allow the bot to track messages and user’s replies. The tracking_data value sent with the message will be returned with the user's reply.	Optional. Max 4000 characters.
type	string	The message type.	Required. Always `picture`.
text	string	Description of the picture.	Required. Max 512 characters. Can be an empty string if irrelevant.
media	string	The URL of the picture. Supported file formats include jpeg, png, and non-animated gif.	Required. The URL must have a resource with a `.jpeg`, `.png`, or `.gif` file extension as the last path segment. For example, the URL should be in the format of `http://www.example.com/path/image.jpeg.` Please note that animated GIFs can be sent as either URL messages or file messages. Additionally, keep in mind that the maximum image size is 1MB on iOS and 3MB on Android.
thumbnail	string	URL of a reduced size image to be used as a thumbnail. Supported file formats include jpeg, png, and non-animated gif.	Optional. Recommended dimensions for the thumbnail are 4000x400. maxium image size 100KB.

Video Message

The video message data model represents a message that contains a video.
The JSON representation of a video message is as follows:

Video
{
   "receiver":"jc9HsWTZ2Yf2NkRZ8KcNug==",
   "min_api_version":1,
   "sender":{
      "name":"My Awesome Bote",
      "avatar":"http://avatar.example.com"
   },
   "tracking_data":"tracking data",
   "type":"video",
   "media":"http://media.example.com/video.mp4",
   "thumbnail":"http://media.example.com/video_thumbnail.jpg",
    "size":3861139,
    "duration": 10
}

Field	Type	Description	Notes
receiver	string	The unique ID of the subscriber to send the message to.	Required.
min_api_version	integer	The minimum API version required by clients to receive this message (default 1).	Optional. It is important to note that the client version must support the API version specified. If the version number is set below the required version for certain features, those features may not work as expected.
sender.name	string	The name of the bot.	Required. Max 28 characters.
sender.avatar	string	The URL of the bot's avatar.	Optional. the avatar size should not exceed 100KB. The recommended dimensions for the avatar are 720x720.
tracking_data	string	Allow the bot to track messages and user’s replies. The tracking_data value sent with the message will be returned with the user's reply.	Optional. Max 4000 characters.
type	string	The message type.	Required. Always `video`.
media	string	The URL of the video. Supported file formats include mp4	Required. The URL must have a resource with a `.mp4` file extension as the last path segment. For example, the URL should be in the format of `http://www.example.com/path/video.mp4.`
thumbnail	string	URL of a reduced size image to be used as a thumbnail. Supported file formats include jpeg only	Optional. Recommended dimensions for the thumbnail are 4000x400. maxium image size 100KB.
size	integer	The size of the video in bytes	Required. Max size 26MB(27262976b)
duration	integer	The duration of the video in seconds	Optional. Max duration 3 minutes(180s)

File Message

The file message data model represents a message that contains a file.
The JSON representation of a file message is as follows:

File
{
   "receiver":"jc9HsWTZ2Yf2NkRZ8KcNug==",
   "min_api_version":1,
   "sender":{
      "name":"My Awesome Bote",
      "avatar":"http://avatar.example.com"
   },
   "tracking_data":"tracking data",
   "type":"file",
   "media":"http://media.example.com/file.pdf",
   "size":3861139,
   "file_name":"file.pdf"
}

Field	Type	Description	Notes
receiver	string	The unique ID of the subscriber to send the message to.	Required.
min_api_version	integer	The minimum API version required by clients to receive this message (default 1).	Optional. It is important to note that the client version must support the API version specified. If the version number is set below the required version for certain features, those features may not work as expected.
sender.name	string	The name of the bot.	Required. Max 28 characters.
sender.avatar	string	The URL of the bot's avatar.	Optional. the avatar size should not exceed 100KB. The recommended dimensions for the avatar are 720x720.
tracking_data	string	Allow the bot to track messages and user’s replies. The tracking_data value sent with the message will be returned with the user's reply.	Optional. Max 4000 characters.
type	string	The message type.	Required. Always `file`.
media	string	The URL of the file.	Required. The URL must end with a file extension as the last segment of the path. For instance, the URL should follow this format: `http://www.example.com/path/file.pdf`. Please note that certain file types are not supported. For a comprehensive list of forbidden file formats, please refer to the forbidden file formats section below
size	integer	The size of the file in bytes	Required. Max size 50MB(52428800b)
file_name	string	The name of the file	Required. Should include the file extension. The maximum length of the file name, including the extension, is 256 characters. Sending a file without an extension or with an incorrect extension could result in the client being unable to open the file. It's essential to ensure that the file name follows the correct naming convention to avoid any issues

Forbidden File Formats

The following file formats are not supported:

Windows: .bat, .bin, .cmd, .com, .cpl, .exe, .gadget, .inf1, .ins, .inx, .isu, .job, .jse, .lnk, .msc, .msi, .msp, .mst, .paf, .pif, .ps1, .reg, .rgs, .sct, .shb, .shs, .u3p, .vb, .vbe, .vbs, .vbscript, .ws, .wsf
Mac OS: .action, .app, .bin, .command, .csh, .osx, .workflow
Linux: .bin, .csh, .ksh, .out, .run
Android: .apk
iOS: .ipa

Contact Message

The contact message data model represents a message that contains a contact information.
The JSON representation of a contact message is as follows:

Contact
{
   "receiver":"jc9HsWTZ2Yf2NkRZ8KcNug==",
   "min_api_version":1,
   "sender":{
      "name":"My Awesome Bote",
      "avatar":"http://avatar.example.com"
   },
   "tracking_data":"tracking data",
   "type":"contact",
   "contact":{
      "name":"John Doe",
      "phone_number":"+972501234567"
   }
}

Field	Type	Description	Notes
receiver	string	The unique ID of the subscriber to send the message to.	Required.
min_api_version	integer	The minimum API version required by clients to receive this message (default 1).	Optional. It is important to note that the client version must support the API version specified. If the version number is set below the required version for certain features, those features may not work as expected.
sender.name	string	The name of the bot.	Required. Max 28 characters.
sender.avatar	string	The URL of the bot's avatar.	Optional. the avatar size should not exceed 100KB. The recommended dimensions for the avatar are 720x720.
tracking_data	string	Allow the bot to track messages and user’s replies. The tracking_data value sent with the message will be returned with the user's reply.	Optional. Max 4000 characters.
type	string	The message type.	Required. Always `contact`.
contact.name	string	The name of the contact	Required. Max 28 characters.
contact.phone_number	string	The phone number of the contact	Required. Max 18 characters. The phone number should contain the country code and should only include numbers. For example, a valid American phone number could be formatted as follows: `+15555555555`, where `+1` is the country code for the United States. Including any characters other than numbers in the phone number field can result in errors or failure to send messages. Please ensure that the phone number follows the correct formatting guidelines to avoid any issues.

Location Message

The location message data model represents a message that contains the user's location.
The JSON representation of a location message is as follows:

Location
{
   "receiver":"jc9HsWTZ2Yf2NkRZ8KcNug==",
   "min_api_version":1,
   "sender":{
      "name":"My Awesome Bote",
      "avatar":"http://avatar.example.com"
   },
   "tracking_data":"tracking data",
   "type":"location",
   "location":{
      "lat":32.0853,
      "lon":34.7818
   }
}

Field	Type	Description	Notes
receiver	string	The unique ID of the subscriber to send the message to.	Required.
min_api_version	integer	The minimum API version required by clients to receive this message (default 1).	Optional. It is important to note that the client version must support the API version specified. If the version number is set below the required version for certain features, those features may not work as expected.
sender.name	string	The name of the bot.	Required. Max 28 characters.
sender.avatar	string	The URL of the bot's avatar.	Optional. the avatar size should not exceed 100KB. The recommended dimensions for the avatar are 720x720.
tracking_data	string	Allow the bot to track messages and user’s replies. The tracking_data value sent with the message will be returned with the user's reply.	Optional. Max 4000 characters.
type	string	The message type.	Required. Always `location`.
location.lat	float	The latitude of the location.	Required.
location.lon	float	The longitude of the location.	Required.

URL Message

The URL message data model represents a message that contains a URL.
The JSON representation of a contact message is as follows:

URL
{
   "receiver":"jc9HsWTZ2Yf2NkRZ8KcNug==",
   "min_api_version":1,
   "sender":{
      "name":"My Awesome Bote",
      "avatar":"http://avatar.example.com"
   },
   "tracking_data":"tracking data",
   "type":"url",
   "media":"http://www.example.com"
}

Field	Type	Description	Notes
receiver	string	The unique ID of the subscriber to send the message to.	Required.
min_api_version	integer	The minimum API version required by clients to receive this message (default 1).	Optional. It is important to note that the client version must support the API version specified. If the version number is set below the required version for certain features, those features may not work as expected.
sender.name	string	The name of the bot.	Required. Max 28 characters.
sender.avatar	string	The URL of the bot's avatar.	Optional. the avatar size should not exceed 100KB. The recommended dimensions for the avatar are 720x720.
tracking_data	string	Allow the bot to track messages and user’s replies. The tracking_data value sent with the message will be returned with the user's reply.	Optional. Max 4000 characters.
type	string	The message type.	Required. Always `url`.
media	string	The URL to open.	Required. Max 2000 characters

Sticker Message

The sticker message data model represents a message that contains a sticker.
The JSON representation of a sticker message is as follows:

Sticker
{
   "receiver":"jc9HsWTZ2Yf2NkRZ8KcNug==",
   "min_api_version":1,
   "sender":{
      "name":"My Awesome Bote",
      "avatar":"http://avatar.example.com"
   },
   "tracking_data":"tracking data",
   "type":"sticker",
   "sticker_id":"40129"
}

Field	Type	Description	Notes
receiver	string	The unique ID of the subscriber to send the message to.	Required.
min_api_version	integer	The minimum API version required by clients to receive this message (default 1).	Optional. It is important to note that the client version must support the API version specified. If the version number is set below the required version for certain features, those features may not work as expected.
sender.name	string	The name of the bot.	Required. Max 28 characters.
sender.avatar	string	The URL of the bot's avatar.	Optional. the avatar size should not exceed 100KB. The recommended dimensions for the avatar are 720x720.
tracking_data	string	Allow the bot to track messages and user’s replies. The tracking_data value sent with the message will be returned with the user's reply.	Optional. Max 4000 characters.
type	string	The message type.	Required. Always `sticker`.
sticker_id	string	The sticker ID.	Required.

Rich Media Message

The Rich Media message enables the sending of messages with predefined layouts,
including height (number of rows), width (number of columns), text, images, and buttons.

As an example, the Carousel Content Message allows a user to scroll through a list of
items, each composed of an image, description, and call-to-action button.

Each item on the list shown to the user is called a "card," and each card has its own
grid layout, which can have a maximum of 7 rows and a maximum of 6 columns.
You can send a minimum of one card and a maximum of six cards.
Cards are fully customizable, and you can learn more on how to design your cards in the
Designing Rich Media Message Card section below.

Pay Attention

The following restrictions apply to the Rich Media message:

The Rich Media message is supported only on Viber version 6.7 and above.
The Rich Media message cannot be forwarded.

The JSON representation of a Rich Media message is as follows:

Rich
{
   "receiver":"jc9HsWTZ2Yf2NkRZ8KcNug==",
   "min_api_version":1,
   "sender":{
      "name":"My Awesome Bote",
      "avatar":"http://avatar.example.com"
   },
   "tracking_data":"tracking data",
   "type":"rich_media",
   "rich_media":{
      "Type":"rich_media",
      "ButtonsGroupColumns":6,
      "ButtonsGroupRows":7,
      "BgColor":"#FFFFFF",
      "Buttons":[
         {
            "Columns":6,
            "Rows":3,
            "ActionType":"open-url",
            "ActionBody":"https://www.google.com",
            "Image":"http://html-test:8080/myweb/guy/assets/imageRMsmall2.png"
         },
         {
            "Columns":6,
            "Rows":2,
            "Text":"<font color=#323232><b>Headphones with Microphone, On-ear Wired earphones</b></font><font color=#777777><br>Sound Intone </font><font color=#6fc133>$17.99</font>",
            "ActionType":"open-url",
            "ActionBody":"https://www.google.com",
            "TextSize":"medium",
            "TextVAlign":"middle",
            "TextHAlign":"left"
         },
         {
            "Columns":6,
            "Rows":1,
            "ActionType":"reply",
            "ActionBody":"https://www.google.com",
            "Text":"<font color=#ffffff>Buy</font>",
            "TextSize":"large",
            "TextVAlign":"middle",
            "TextHAlign":"middle",
            "Image":"https://s14.postimg.org/4mmt4rw1t/Button.png"
         },
         {
            "Columns":6,
            "Rows":1,
            "ActionType":"reply",
            "ActionBody":"https://www.google.com",
            "Text":"<font color=#8367db>MORE DETAILS</font>",
            "TextSize":"small",
            "TextVAlign":"middle",
            "TextHAlign":"middle"
         },
         {
            "Columns":6,
            "Rows":3,
            "ActionType":"open-url",
            "ActionBody":"https://www.google.com",
            "Image":"https://s16.postimg.org/wi8jx20wl/image_RMsmall2.png"
         },
         {
            "Columns":6,
            "Rows":2,
            "Text":"<font color=#323232><b>Hanes Men's Humor Graphic T-Shirt</b></font><font color=#777777><br>Hanes</font><font color=#6fc133>$10.99</font>",
            "ActionType":"open-url",
            "ActionBody":"https://www.google.com",
            "TextSize":"medium",
            "TextVAlign":"middle",
            "TextHAlign":"left"
         },
         {
            "Columns":6,
            "Rows":1,
            "ActionType":"reply",
            "ActionBody":"https://www.google.com",
            "Text":"<font color=#ffffff>Buy</font>",
            "TextSize":"large",
            "TextVAlign":"middle",
            "TextHAlign":"middle",
            "Image":"https://s14.postimg.org/4mmt4rw1t/Button.png"
         },
         {
            "Columns":6,
            "Rows":1,
            "ActionType":"reply",
            "ActionBody":"https://www.google.com",
            "Text":"<font color=#8367db>MORE DETAILS</font>",
            "TextSize":"small",
            "TextVAlign":"middle",
            "TextHAlign":"middle"
         }
      ]
   }
}

Field	Type	Description	Notes
receiver	string	The unique ID of the subscriber to send the message to.	Required.
min_api_version	integer	The minimum API version required by clients to receive this message (default 1).	Optional. It is important to note that the client version must support the API version specified. If the version number is set below the required version for certain features, those features may not work as expected.
sender.name	string	The name of the bot.	Required. Max 28 characters.
sender.avatar	string	The URL of the bot's avatar.	Optional. the avatar size should not exceed 100KB. The recommended dimensions for the avatar are 720x720.
tracking_data	string	Allow the bot to track messages and user’s replies. The tracking_data value sent with the message will be returned with the user's reply.	Optional. Max 4000 characters.
type	string	The message type.	Required. Always `rich_media`.
rich_media.Type	string	The type of the rich media message.	Required. Always `rich_media`.
rich_media.ButtonsGroupColumns	integer	The number of columns in the grid of each card.	Required. The number of columns must be between 1 and 6.
rich_media.ButtonsGroupRows	integer	The number of rows in the grid of each card.	Required. The number of rows must be between 1 and 7.
rich_media.BgColor	string	The background color of the card.	Required. The color must be in hexadecimal format.
rich_media.Buttons	array	The list of cards.	Required. The list must contain between 1 and 6 cards. A new card starts when the sum of rows reaches the number of rows defined in the `rich_media.ButtonsGroupRows`.

Desiging Cards

The following table shows the properties of a card:

Field	Type	Description	Notes	Default
Columns	integer	The number of columns the card occupies.	Optional. The number of columns must be between 1 and 6.	6
Rows	integer	The number of rows the card occupies.	Optional. The number of rows must be between 1 and 7.	1
BgColor	string	The background color of the card.	Optional. The color must be in hexadecimal format.	Default Viber button color
Silent	boolean	If set to `true`, the user action will not be displayed in the conversation.	Optional. Supported only on Viber 6.7 and above	`false`
BgMediaType	string	The type of the background media.	Optional. The value can be `picture` or `gif`. For picture jped and png file formats are supported	`picture`
BgMedia	string	The URL of the background media.	Optional. The media size should not exceed 500KB.
BgMediaScaleType	string	The scale type of the background media.	Optional.You can choose from the following options: `crop`: scales the contents to fill the view with a fixed aspect ratio, which may result in some portions of the content being clipped. `fill`: scales the contents to fill the view without maintaining a fixed aspect ratio. `fit`: ensures that at least one axis (either X or Y) fits exactly while maintaining the aspect ratio of the content.
ImageScaleType	string	The scale type of the image.	Optional. You can choose from the following options: `crop`: scales the contents to fill the view with a fixed aspect ratio, which may result in some portions of the content being clipped. `fill`: scales the contents to fill the view without maintaining a fixed aspect ratio. `fit`: ensures that at least one axis (either X or Y) fits exactly while maintaining the aspect ratio of the content.
BgLoop	boolean	If set to `true`, the background media will loop.	Optional.	`true`
ActionType	string	The type of the action the card will perform when pressed.	Optional. The value can be `reply`, `open-url`, `location-picker`, `share-phone`, `buy` or `none`. `reply` - will send a reply to the bot. `open-url` - will open the specified URL and send the URL as reply to the bot. Note: `location-picker` and `share-phone` are not supported on desktop, and require adding any text in the ActionBody parameter.	`reply`
ActionBody	string	The body of the action.	Required. Text for ActionType `reply` or `none`. Valid URL for ActionType `open-url`
Image	string	URL of image to place on top of the card background	Optional. This can be a partially transparent image that will allow some of the background to show through. The image will be placed using an aspect-fill logic. Supported format - `png` and `jpeg`. Max size 500Kb
Text	string	Text to display on top of the card background	Optional. You can use the following HTML tags in your text messages:: `<b/>`, `<i/>`, `<u/>`, `<br/>`, `<s/>`(from API v4). You can also control the font size by using the `<font/>` tag with the `size` attribute like this: `<font size="12"></font>`. Note that the minimum font size is 12 and the maximum size is 32. This feature is available on API v4 and above. Additionally, you can control the font color by using the `<font/>` tag with the `colort` attribute, like this: `<font color="#7F00FF"></font>`. The color must be specified in hexadecimal format. Please note that the maximum length of the text is 250 characters. If the text exceeds this limit, it will be cropped and presented as "...".
TextVAlign	string	Vertical alignment of the text	Optional. The value can be `top`, `middle` or `bottom`.	`middle`
TextHAlign	string	Horizontal alignment of the text	Optional. The value can be `left`, `center` or `right`.	`center`
TextPaddings	array	Padding of the text	Optional. The array must contain 4 integers. The first value is the top padding, the second is the right padding, the third is the bottom padding and the fourth is the left padding. Values can be between 0 and 12. Supported on API v4 and above.	[12, 12, 12, 12]
TextOpacity	integer	Opacity of the text	Optional. The value can be between 0 and 100.	100
TextSize	string	Size of the text	Optional. The value can be `small`, `regular` or `large`.	`regular`
OpenURLType	string	The type of the URL to open.	Optional. The value can be `internal` (the URL will be opened inside the app) or `external` (the URL will be opened in an external browser).	`internal`
OpenURLMediaType	string	Determines the URL media type.	Optional. `not-media` - force browser usage. `video` - will be opened via media player. `gif` - client will play the gif in full screen mode. `picture` - client will open the picture in full screen mode	`not-media`
TextBgGradientColor	string	The background gradient color of the text.	Optional. The color must be in hexadecimal format. Works only if `TextVAlign` is set to `top` or `bottom`
TextShouldFit	boolean	If set to `true`, the text will be resized to fit the card.	Optional. Supported on API v6 and above. Minimum font seize is 12pt	`false`
InternalBrowser	JSON Object	configuration for open-url action with internal type	Optional. Supported on API v3 and above.
InternalBrowswer.ActionButton	strin	Action button in internal’s browser navigation bar	Optional. Supported on API v3 and above. Types can be `forward`, `send`, `open-externally`, `send-to-bot`, `none`. forward - will open the forward via Viber screen and share current URL or predefined URL. send - sends the currently opened URL as an URL message, or predefined URL if property ActionPredefinedURL is not empty. open-externally - opens external browser with the current URL. send-to-bot - (api level 6) sends reply data in msgInfo to bot in order to receive message. none - will not display any button	`forward`
InternalBrowswer.ActionPredefinedURL	string	Predefined URL for action button	Optional. Supported on API v3 and above.
InternalBrowser.TitleType	string	Type of title for internal browser if has no CustomTitle field	Optional. Supported on API v3 and above. Types can be `default`, `domain`. default means the content in the page’s `<OG:title>` element or in `<title>` tag. domain means the top level domain	`default`
InternalBrowser.CustomTitle	string	Custom title for internal browser	Optional. Supported on API v3 and above. Max 15 characters
InternalBNrowser.Mode	string	Indicates that browser should be opened in a full screen or in partial size (50% of screen height). Full screen mode can be with orientation lock (both orientations supported, only landscape or only portrait)	Optional. Supported on API v3 and above. Types can be `fullscreen`, `fullscreen-portrait`, `fullscreen-landscape`, `partial-size`. normal means the browser will be opened in a small window. fullscreen means the browser will be opened in full screen mode	`fullscreen`
InternalBrowser.FooterType	string	Type of footer for internal browser	Optional. Supported on API v3 and above. Types can be `default`, `hidden`. default means the content in the page’s `<OG:description>` element or in `<meta name="description">` tag. hidden means the footer will be hidden	`default`
InternalBrowser.ActionReplyData	string	Data that will be sent to bot when user clicks on action button	Optional. Supported on API v6 and above. Custom reply data for send-to-bot action that will be resent in msgInfo
Map	JSON Object	Configuration for for open-map action with internal type	Optional. Supported on API v6 and above.
Map.Latitude	float	Latitude of the location	Optional. (format: “12.12345”)
Map.Longitude	float	Longitude of the location	Optional. (format: “3.12345”)
Frame	JSON Object	Draw frame above the background on the card, the size will be equal the size of the card	Optional. Supported on API v6 and above.
Frame.BorderWidth	integer	Width of the frame border	Optional. Supported on API v6 and above., Values between 0 and 10	1
Frame.BorderColor	string	Color of the frame border	Optional. Supported on API v6 and above. The color must be in hexadecimal format.	#000000
Frame.CornerRadius	integer	Radius of the frame corners	Optional. Supported on API v6 and above. Values between 0 and 10	0
Mediaplayer	JSON Object	Specifies media player options	Optional. Supported on API v6 and above. Will be ignored if `OpenURLMediaType` is not `video` or `audio`
Mediaplayer.Title	string	Title of the media player	Optional. Supported on API v6 and above.
Mediaplayer.Subtitle	string	Subtitle of the media player	Optional. Supported on API v6 and above.
Mediaplayer.ThumbnailURL	string	URL of the thumbnail image	Optional. Supported on API v6 and above.
Mediaplayer.Loop	boolean	If set to `true`, the video will be looped	Optional. Supported on API v6 and above.	`false`

Message Data Model

Text Message​

Picture Message​

Video Message​

File Message​

Forbidden File Formats​

Contact Message​

Location Message​

URL Message​

Sticker Message​

Rich Media Message​

Desiging Cards​