Headline (1.4.0 - 1.5.0)

backgroundAlign

String

center

Image/video alignment to apply to background image/video. Defaults to center.

1.1.0

backgroundBlur

Boolean

false

When true, display the provided background image with a blur effect. Applies when backgroundImageSource contains a value. Defaults to false.

1.1.0

backgroundColor

Color

—

Color to use as a background color. Used when neither backgroundImageSource or backgroundVideoSource contain values.

1.1.0

backgroundColorOverlay

Boolean

false

When true, apply a scrim to the background to make it easier to read the text displayed over the image or video.

1.1.0

backgroundImageSource

String

—

URL for the background image source. Used when backgroundVideoSource isn't provided.

1.1.0

backgroundOverlayGradient

Boolean

false

When true, apply a gradient to the background.

1.1.0

backgroundScale

String

best-fill

Image or video scaling to apply to background image or video. Defaults to best-fill.

1.1.0

backgroundVideoAudioTrack

String

foreground

Audio track to play on when playing the video. Can be foreground | background | none Defaults to foreground.

1.1.0

backgroundVideoAutoPlay

Boolean

false

When true, the video begins playing automatically when the document renders on the device. Applies when backgroundVideoSource contains a value. Defaults to false.

1.1.0

backgroundVideoSource

Video source

—

The background video source. Provide a source in the same format shown for the source property of the Video component.

1.1.0

entities

Array

—

Array of entity data to bind to this template.

1.2.0

footerHintText

String

—

Hint text to display in the footer. Use textToHint to add the correct wake word to the hint.

1.1.0

headerAttributionImage

String

—

URL for attribution image source. Displays when headerAttributionPrimacy is true, or on a device that shows Title/Subtitle and Attribution.

1.1.0

headerAttributionOpacity

Number

1 for small, round hubs. @opacitySecondary for all others.

The opacity of the attribution text and attribution image.

1.3.0

headerAttributionPrimacy

Boolean

true

When true, display the headerAttributionImage on devices that display a single element due to screen size. When false, display the headerTitle and headerSubtitle. Defaults to true.

1.1.0

headerAttributionText

String

—

Attribution text to render in the header. Shown when headerAttributionImage doesn't have a value and headerAttributionPrimacy is true, or on a device that shows both Title/Subtitle and Attribution.

1.1.0

headerBackButton

Boolean

false

When true, display a back button in the header.

1.1.0

headerBackButtonAccessibilityLabel

String

—

An accessibility label to describe the back button to customers who use a screen reader.

1.1.0

headerBackButtonCommand

Command

{"type":"SendEvent","arguments":["goBack"]}

Command to run when the user selects the back button. Defaults to SendEvent with a 'GoBack' argument.

1.1.0

headerBackgroundColor

String

transparent

Optional color value to use as the background color for the Header. Defaults to transparent.

1.1.0

headerDivider

Boolean

false

Toggle to display the divider that appears at the bottom of header to help separate it from the content below. Default to false.

1.1.0

headerSubtitle

String

—

Secondary text to render in header.

1.1.0

headerTitle

String

—

Primary text to render in header.

1.1.0

lang

String

${environment.lang}

The language for the text displayed in the template. This language determines the default font used for the text. For example, when set to ar-SA, the component uses Arabic fonts when available on the device. Set to a BCP-47 string.

For more details about language-specific fonts for responsive components, see Language-specific fonts in the components and templates.

1.4.0

layoutDirection

String

${environment.layoutDirection}

Specifies the layout direction for the content. Set this property to either LTR (left-to-right) or RTL (right-to-left). This property doesn't inherit the layoutDirection from the component's parent container. Therefore, explicitly set this property when needed.

For more details about support for right-to-left languages in the responsive components, see Support for Right-to-left Languages.

1.4.0

primaryText

String

—

Primary text to display. Text is truncated based on the size of the viewport. For example, on a large hub, up to four lines of text display, but on a smaller hub, two lines display.

1.3.0

secondaryText

String

—

Secondary text to display in a single line. Displayed below the primary text. Text is truncated to display on a single line.

1.1.0

theme

String

dark

Set the dark or light color theme. The selected theme controls the colors used for the template.

1.1.0

type

String

—

Always set to AlexaHeadline.

1.1.0