Reference

Header reference

Open a page in Composer in the site admin and select the section you are inspecting. Use Settings and Appearance alongside the fields below. Read the shared field guide for the meaning of the table columns. This family describes Hero, the opening section of a page. For site navigation, use Menus.

Checked against the product’s code on 7 November 2026.

This reference lists the catalog fields and their basic starter configuration. Read Shared section fields for the default rules and the shared groups of fields added to these sections. A chosen preset can start with different values.

Eyebrow means the small label above a heading. CTA means call to action, such as a button or link. An avatar is a small portrait or profile image.

Hero

A headline with supporting words, buttons and optional pictures or video.

Also carries: Advanced fields, Appearance fields. See shared fields.

Field	Input	Required	Choices	Field default	Starter value
Section number `pxLabelNumber`	Formatted text	No	No fixed list	Not declared	Not set
Section label `pxLabel`	Formatted text	No	No fixed list	Not declared	Not set
Open full size on click `lightbox`	Yes or no	No	No fixed list	Yes	Not set
Eyebrow `eyebrow`	Formatted text	No	No fixed list	Not declared	Not set
Headline `headline`	Formatted text	Yes	No fixed list	Not declared	Starter text
Subheadline `subheadline`	Formatted text	No	No fixed list	Not declared	Starter text
Primary CTA label `primaryCtaLabel`	Formatted text	No	No fixed list	Not declared	Starter text
Primary CTA URL `primaryCtaUrl`	Link	No	No fixed list	Not declared	Empty
Secondary CTA label `secondaryCtaLabel`	Formatted text	No	No fixed list	Not declared	Not set
Secondary CTA URL `secondaryCtaUrl`	Link	No	No fixed list	Not declared	Not set
Media URL `mediaUrl`	Picture	No	No fixed list	Not declared	Not set
Picture description (alt text) `mediaAlt`	Text	No	No fixed list	Not declared	Not set
Video URL `videoUrl`	Link	No	No fixed list	Not declared	Not set
Video poster `posterUrl`	Picture	No	No fixed list	Not declared	Not set
Layered media `mediaItems`	List of entries	No	No fixed list	Not declared	Not set
Image URL `mediaItems[].url`	Picture	Yes	No fixed list	Not declared	Not set
Alt text `mediaItems[].alt`	Text	No	No fixed list	Not declared	Not set
Picture fit `mediaItems[].fit`	Choice	No	Show the whole picture (`whole`); Fill the frame (`fill`)	Show the whole picture	Not set
Source class `mediaItems[].className`	Text	No	No fixed list	Not declared	Not set
Image width attribute `mediaItems[].width`	Number	No	No fixed list	Not declared	Not set
Image height attribute `mediaItems[].height`	Number	No	No fixed list	Not declared	Not set
Image loading (declared by the source; absence means eager) `mediaItems[].loading`	Choice	No	Eager (loads immediately) (`eager`); Lazy (loads once scrolled into view) (`lazy`)	Not declared	Not set
Image decoding (declared by the source) `mediaItems[].decoding`	Choice	No	Async (`async`); Sync (`sync`); Auto (`auto`)	Not declared	Not set
Image fetch priority (declared by the source) `mediaItems[].fetchPriority`	Choice	No	High (`high`); Low (`low`); Auto (`auto`)	Not declared	Not set
Layout `layout`	Choice	No	Left (`left`); Centered (`centered`); Split (`split`)	Not declared	Left
Band tone `tone`	Choice	No	Page canvas (default) (`default`); Primary band (`primary`); Accent band (`accent`); Subtle surface (`surface`); Stage (near black, with glow) (`stage`)	Not declared	Not set
Label rule `labelRule`	Choice	No	None (`none`); A short rule before the label (`rule`)	Not declared	Not set
Lede rule `ledeRule`	Choice	No	None (`none`); A rule between the headline and the subheadline (`rule`)	Not declared	Not set
Social-proof line `proofText`	Formatted text	No	No fixed list	Not declared	Not set
Social-proof avatars `proofAvatars`	List of entries	No	No fixed list	Not declared	Not set
Avatar image `proofAvatars[].url`	Picture	Yes	No fixed list	Not declared	Not set
Name (alt text) `proofAvatars[].alt`	Text	No	No fixed list	Not declared	Not set

Section number
`pxLabelNumber`

Input: Formatted text
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Section label
`pxLabel`

Input: Formatted text
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Open full size on click
`lightbox`

Input: Yes or no
Required: No
Choices: No fixed list
Field default: Yes
Starter value: Not set

Eyebrow
`eyebrow`

Input: Formatted text
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Headline
`headline`

Input: Formatted text
Required: Yes
Choices: No fixed list
Field default: Not declared
Starter value: Starter text

Subheadline
`subheadline`

Input: Formatted text
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Starter text

Primary CTA label
`primaryCtaLabel`

Input: Formatted text
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Starter text

Primary CTA URL
`primaryCtaUrl`

Input: Link
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Empty

Secondary CTA label
`secondaryCtaLabel`

Input: Formatted text
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Secondary CTA URL
`secondaryCtaUrl`

Input: Link
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Media URL
`mediaUrl`

Input: Picture
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Picture description (alt text)
`mediaAlt`

Input: Text
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Video URL
`videoUrl`

Input: Link
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Video poster
`posterUrl`

Input: Picture
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Layered media
`mediaItems`

Input: List of entries
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Image URL
`mediaItems[].url`

Input: Picture
Required: Yes
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Alt text
`mediaItems[].alt`

Input: Text
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Picture fit
`mediaItems[].fit`

Input: Choice
Required: No
Choices: Show the whole picture (whole); Fill the frame (fill)
Field default: Show the whole picture
Starter value: Not set

Source class
`mediaItems[].className`

Input: Text
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Image width attribute
`mediaItems[].width`

Input: Number
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Image height attribute
`mediaItems[].height`

Input: Number
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Image loading (declared by the source; absence means eager)
`mediaItems[].loading`

Input: Choice
Required: No
Choices: Eager (loads immediately) (eager); Lazy (loads once scrolled into view) (lazy)
Field default: Not declared
Starter value: Not set

Image decoding (declared by the source)
`mediaItems[].decoding`

Input: Choice
Required: No
Choices: Async (async); Sync (sync); Auto (auto)
Field default: Not declared
Starter value: Not set

Image fetch priority (declared by the source)
`mediaItems[].fetchPriority`

Input: Choice
Required: No
Choices: High (high); Low (low); Auto (auto)
Field default: Not declared
Starter value: Not set

Layout
`layout`

Input: Choice
Required: No
Choices: Left (left); Centered (centered); Split (split)
Field default: Not declared
Starter value: Left

Band tone
`tone`

Input: Choice
Required: No
Choices: Page canvas (default) (default); Primary band (primary); Accent band (accent); Subtle surface (surface); Stage (near black, with glow) (stage)
Field default: Not declared
Starter value: Not set

Label rule
`labelRule`

Input: Choice
Required: No
Choices: None (none); A short rule before the label (rule)
Field default: Not declared
Starter value: Not set

Lede rule
`ledeRule`

Input: Choice
Required: No
Choices: None (none); A rule between the headline and the subheadline (rule)
Field default: Not declared
Starter value: Not set

Social-proof line
`proofText`

Input: Formatted text
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Social-proof avatars
`proofAvatars`

Input: List of entries
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Avatar image
`proofAvatars[].url`

Input: Picture
Required: Yes
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Name (alt text)
`proofAvatars[].alt`

Input: Text
Required: No
Choices: No fixed list
Field default: Not declared
Starter value: Not set

Browse section families

Your next step

Return to the Composer, select the section and review its editable fields. Apply your draft change and inspect the page preview before publishing.

Header reference

Hero

Section numberpxLabelNumber

Section labelpxLabel

Open full size on clicklightbox

Eyebroweyebrow

Headlineheadline

Subheadlinesubheadline

Primary CTA labelprimaryCtaLabel

Primary CTA URLprimaryCtaUrl

Secondary CTA labelsecondaryCtaLabel

Secondary CTA URLsecondaryCtaUrl

Media URLmediaUrl

Picture description (alt text)mediaAlt

Video URLvideoUrl

Video posterposterUrl

Layered mediamediaItems

Image URLmediaItems[].url

Alt textmediaItems[].alt

Picture fitmediaItems[].fit

Source classmediaItems[].className

Image width attributemediaItems[].width

Image height attributemediaItems[].height

Image loading (declared by the source; absence means eager)mediaItems[].loading

Image decoding (declared by the source)mediaItems[].decoding

Image fetch priority (declared by the source)mediaItems[].fetchPriority

Layoutlayout

Band tonetone

Label rulelabelRule

Lede ruleledeRule

Social-proof lineproofText

Social-proof avatarsproofAvatars

Avatar imageproofAvatars[].url

Name (alt text)proofAvatars[].alt