Push template - zero bezel

A notification including a title, subtitle, message body, and an edge-to-edge background image which fills the notification area.

The table below shows all available properties in the respective payload for FCM (Android).

FCM

Properties

The properties below define the payload sent to FCM:

Field	Required	Key	Type	Description
Payload Version	✅	`adb_version`	string	Version of the payload assigned by the ACC authoring UI.
Template Type	✅	`adb_template_type`	string	Informs the reader which properties may exist in the template object. Zero-bezel template uses a value of "zb".
Title	✅	`adb_title`	string	Text shown in the notification's title.
Color - Title	⛔️	`adb_clr_title`	string	Text color for `adb_title`. Represented as six character hex, e.g. `00FF00`.
Body	✅	`adb_body`	string	Text shown in message body when notification is collapsed.
Expanded Body	⛔️	`adb_body_ex`	string	Body of the message when the message is expanded.
Color - Body	⛔️	`adb_clr_body`	string	Text color for `adb_body`, `adb_body_ex`. Represented as six character hex, e.g. `00FF00`.
Sound	⛔️	`adb_sound`	string	Sound played when notification is delivered. Value should be the name of the sound file without its extension. Sound file should be located in the `assets/raw` directory of your app.
Image	⛔️	`adb_image`	string	URI of an image to be shown when notification is expanded.
Link URI	⛔️	`adb_uri`	string	URI to be handled when user clicks the notification.
Link Type	⛔️	`adb_a_type`	string	Type of link represented in `adb_uri` - one of "WEBURL", "DEEPLINK", "DISMISS", or "OPENAPP". Required if `adb_uri` is specified.
Icon	⛔️	`adb_icon`	string	Name of a small icon to use in the notification. Note - The value referenced by this key is not used if a valid `adb_small_icon` key value pair is present in the payload.
Small Icon	⛔️	`adb_small_icon`	string	Name of a small icon to use in the notification. The app's drawable resources are checked for an image file with the provided name.
Color - Small Icon	⛔️	`adb_clr_icon`	string	Color for the notification's small icon. Represented as six character hex, e.g. `00FF00`.
Channel ID	⛔️	`adb_channel_id`	string	The notification's channel id (new in Android O). The app must create a channel with this channel ID before any notification with this channel ID is received. If you don't send this channel ID in the request, or if the channel ID provided has not yet been created by the app, FCM uses the channel ID specified in the app manifest. If not provided in payload, SDK uses a "default" channel ID of value "General Notifications". If < API 26 (Android O), this value is ignored.
Badge Count	⛔️	`adb_n_count`	string	Value to be used on app's badge.
Priority	⛔️	`adb_n_priority`	string	Designates the notification priority for Android - importance for API >= 26 (Android 8.0) or priority for API < 26.
Tag	⛔️	`adb_tag`	string	Identifier used to replace existing notifications in the notification drawer. If not specified, each request creates a new notification. If specified and a notification with the same tag is already being shown, the new notification replaces the existing one in the notification drawer.
Sticky	⛔️	`adb_sticky`	string	Boolean value represented as a string "true" or "false". When set to false or unset, the notification is automatically dismissed when the user clicks it in the panel. When set to true, the notification persists even when the user clicks it.
Ticker	⛔️	`adb_ticker`	string	Sets the "ticker" text, which is sent to accessibility services.
Collapsed notification style	⛔️	`adb_col_style`	string	Determines whether the collapsed message should show a zero-bezel image, or text only. Valid value is either "img" or "txt". Defaults to "txt" if none or invalid value is provided.

Example

Below is a sample of what a payload might look like for a zero bezel notification:

{
  "message": {
    "token": "FCM_TOKEN",
    "android": {
      "collapse_key": "new message"
    },
    "data": {     
      "adb_version": "1",
      "adb_title": "game request",
      "adb_body": "shall we play a game?",               
      "adb_sound": "bingBong",
      "adb_icon": "ic_knight",
      "adb_n_count": "1",
      "adb_n_priority": "PRIORITY_LOW",
      "adb_image": "https://pictureofchess.com/board.png",
      "adb_uri": "https://chess.com/games",
      "adb_a_type": "WEBURL",
      "adb_template_type": "zb",
      "adb_body_ex": "Bob wants to play a game of chess with you. Click the notification to accept!",
      "adb_clr_body": "00EE00",
      "adb_clr_title": "AABBCC",
      "adb_clr_icon": "123456",
      "adb_col_style": "img"
    }
  }
}
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{
  "message": {
    "token": "FCM_TOKEN",
    "android": {
      "collapse_key": "new message"
    },
    "data": {     
      "adb_version": "1",
      "adb_title": "game request",
      "adb_body": "shall we play a game?",               
      "adb_sound": "bingBong",
      "adb_icon": "ic_knight",
      "adb_n_count": "1",
      "adb_n_priority": "PRIORITY_LOW",
      "adb_image": "https://pictureofchess.com/board.png",
      "adb_uri": "https://chess.com/games",
      "adb_a_type": "WEBURL",
      "adb_template_type": "zb",
      "adb_body_ex": "Bob wants to play a game of chess with you. Click the notification to accept!",
      "adb_clr_body": "00EE00",
      "adb_clr_title": "AABBCC",
      "adb_clr_icon": "123456",
      "adb_col_style": "img"
    }
  }
}

Usage recommendations

The tables below contain guidelines for your push notification content. These recommendations help your text and images display reliably across multiple devices. These values are guidelines only - you should still test a notification prior to sending it.

Audio specifications

Custom sound files must be placed within the app's bundle in the res/raw directory. Supported formats are mp3, wav, or ogg.

Image specifications

Aspect ratios	Image size range	Supported file types
1:1, 3:2, 5:4, 4:3	< 1 MB	PNG, JPG, WebP

Text guidelines

Type	Recommended max # of characters	Supports multiple lines?
Title	~35 (depends on screen size and device font setting)	No
Description	~110 (depends on screen size and device font setting)	Yes

Properties

The properties below define the payload sent to FCM:

Field	Required	Key	Type	Description
Payload Version	✅	`adb_version`	string	Version of the payload assigned by the ACC authoring UI.
Template Type	✅	`adb_template_type`	string	Informs the reader which properties may exist in the template object. Zero-bezel template uses a value of "zb".
Title	✅	`adb_title`	string	Text shown in the notification's title.
Color - Title	⛔️	`adb_clr_title`	string	Text color for `adb_title`. Represented as six character hex, e.g. `00FF00`.
Body	✅	`adb_body`	string	Text shown in message body when notification is collapsed.
Expanded Body	⛔️	`adb_body_ex`	string	Body of the message when the message is expanded.
Color - Body	⛔️	`adb_clr_body`	string	Text color for `adb_body`, `adb_body_ex`. Represented as six character hex, e.g. `00FF00`.
Sound	⛔️	`adb_sound`	string	Sound played when notification is delivered. Value should be the name of the sound file without its extension. Sound file should be located in the `assets/raw` directory of your app.
Image	⛔️	`adb_image`	string	URI of an image to be shown when notification is expanded.
Link URI	⛔️	`adb_uri`	string	URI to be handled when user clicks the notification.
Link Type	⛔️	`adb_a_type`	string	Type of link represented in `adb_uri` - one of "WEBURL", "DEEPLINK", "DISMISS", or "OPENAPP". Required if `adb_uri` is specified.
Icon	⛔️	`adb_icon`	string	Name of a small icon to use in the notification. Note - The value referenced by this key is not used if a valid `adb_small_icon` key value pair is present in the payload.
Small Icon	⛔️	`adb_small_icon`	string	Name of a small icon to use in the notification. The app's drawable resources are checked for an image file with the provided name.
Color - Small Icon	⛔️	`adb_clr_icon`	string	Color for the notification's small icon. Represented as six character hex, e.g. `00FF00`.
Channel ID	⛔️	`adb_channel_id`	string	The notification's channel id (new in Android O). The app must create a channel with this channel ID before any notification with this channel ID is received. If you don't send this channel ID in the request, or if the channel ID provided has not yet been created by the app, FCM uses the channel ID specified in the app manifest. If not provided in payload, SDK uses a "default" channel ID of value "General Notifications". If < API 26 (Android O), this value is ignored.
Badge Count	⛔️	`adb_n_count`	string	Value to be used on app's badge.
Priority	⛔️	`adb_n_priority`	string	Designates the notification priority for Android - importance for API >= 26 (Android 8.0) or priority for API < 26.
Tag	⛔️	`adb_tag`	string	Identifier used to replace existing notifications in the notification drawer. If not specified, each request creates a new notification. If specified and a notification with the same tag is already being shown, the new notification replaces the existing one in the notification drawer.
Sticky	⛔️	`adb_sticky`	string	Boolean value represented as a string "true" or "false". When set to false or unset, the notification is automatically dismissed when the user clicks it in the panel. When set to true, the notification persists even when the user clicks it.
Ticker	⛔️	`adb_ticker`	string	Sets the "ticker" text, which is sent to accessibility services.
Collapsed notification style	⛔️	`adb_col_style`	string	Determines whether the collapsed message should show a zero-bezel image, or text only. Valid value is either "img" or "txt". Defaults to "txt" if none or invalid value is provided.

Example

Below is a sample of what a payload might look like for a zero bezel notification:

{
  "message": {
    "token": "FCM_TOKEN",
    "android": {
      "collapse_key": "new message"
    },
    "data": {     
      "adb_version": "1",
      "adb_title": "game request",
      "adb_body": "shall we play a game?",               
      "adb_sound": "bingBong",
      "adb_icon": "ic_knight",
      "adb_n_count": "1",
      "adb_n_priority": "PRIORITY_LOW",
      "adb_image": "https://pictureofchess.com/board.png",
      "adb_uri": "https://chess.com/games",
      "adb_a_type": "WEBURL",
      "adb_template_type": "zb",
      "adb_body_ex": "Bob wants to play a game of chess with you. Click the notification to accept!",
      "adb_clr_body": "00EE00",
      "adb_clr_title": "AABBCC",
      "adb_clr_icon": "123456",
      "adb_col_style": "img"
    }
  }
}
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{
  "message": {
    "token": "FCM_TOKEN",
    "android": {
      "collapse_key": "new message"
    },
    "data": {     
      "adb_version": "1",
      "adb_title": "game request",
      "adb_body": "shall we play a game?",               
      "adb_sound": "bingBong",
      "adb_icon": "ic_knight",
      "adb_n_count": "1",
      "adb_n_priority": "PRIORITY_LOW",
      "adb_image": "https://pictureofchess.com/board.png",
      "adb_uri": "https://chess.com/games",
      "adb_a_type": "WEBURL",
      "adb_template_type": "zb",
      "adb_body_ex": "Bob wants to play a game of chess with you. Click the notification to accept!",
      "adb_clr_body": "00EE00",
      "adb_clr_title": "AABBCC",
      "adb_clr_icon": "123456",
      "adb_col_style": "img"
    }
  }
}

Usage recommendations

Audio specifications

Custom sound files must be placed within the app's bundle in the res/raw directory. Supported formats are mp3, wav, or ogg.

Image specifications

Aspect ratios	Image size range	Supported file types
1:1, 3:2, 5:4, 4:3	< 1 MB	PNG, JPG, WebP

Text guidelines

Type	Recommended max # of characters	Supports multiple lines?
Title	~35 (depends on screen size and device font setting)	No
Description	~110 (depends on screen size and device font setting)	Yes

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Last updated 6/11/2024

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Push template - zero bezel

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Example

Usage recommendations

Audio specifications.css-jmmyhj{margin-left:var(--spectrum-global-dimension-size-50);}

Image specifications

Text guidelines

Properties

Example

Usage recommendations

Audio specifications

Image specifications

Text guidelines

Properties

Audio specifications