Tags

Name	Group	Description	Format	Min / Max	Used by bits
@accessibilityGroupTag	accessibility-decorative	Accessibility group tag(s)	string	0 - ∞	5
@accessibilityTag	accessibility-decorative	Accessibility classification(s) of the group	enum	0 - ∞	5
@activityType	activity-type	Activity type of the learning event, used to categorise it	string	0 - 1	17
@advertisingClickUrl	advertising-common	URL the advertisement links to	string	0 - 1	13
@aiGenerated	ai-generated	If true, the bit is AI-generated	boolean	0 - 1	3
@maxCreatedBits	app-bitmark-from-javascript	Maximum number of bits that may be created	number	0 - 1	2
@flashcardSet	app-flashcards	Flashcard set(s) to use	string	0 - ∞	3
@imageFirst	article-responsive	If true, the image is shown before the text	boolean	0 - 1	3
#	several	Title and subtitle	bitmark++	0 - 2	258
@fullName	author	Full name	string	0 - 1	3
@jobTitle	author	Job title	string	0 - 1	3
@pseudonym	author	Pseudonym, if any	string	0 - 1	3
@title	several	Title of the partner	string	0 - 1	16
&backgroundWallpaper	background-wallpaper	The background wallpaper image	string	0 - 1	77
@alt	several	Alternative text for the image	string	0 - 1	153
@caption	several	Caption of the resource	bitmark++	0 - 1	181
@copyright	several	Copyright of the bit	string	0 - 1	687
@crop	several	Crop box on the image: x, y, x1, y1	numberList4	0 - 1	153
@height	several	Height of the image	number	0 - 1	157
@license	several	Licence of the bit	string	0 - 1	687
@private.specificUse	several	The source specific-use value (e.g. an image size class), verbatim	string	0 - 1	153
@search	several	Search text of the bit	string	0 - 1	687
@selected	several	If true, the bit is selected	boolean	0 - 1	687
@showInIndex	several	If true, the bit is shown in the index	boolean	0 - 1	687
@src1x	several	Source URL of the image at 1x resolution	string	0 - 1	153
@src2x	several	Source URL of the image at 2x resolution	string	0 - 1	153
@src3x	several	Source URL of the image at 3x resolution	string	0 - 1	153
@src4x	several	Source URL of the image at 4x resolution	string	0 - 1	153
@srcAlt	several	Alternative source(s)	string	0 - ∞	153
@width	several	Width of the image	number	0 - 1	157
@zoomDisabled	several	If true, the image cannot be zoomed	boolean	0 - 1	153
@accessibilityGroupTag	bit-accessibility	Accessibility group tag(s) of the bit	string	0 - ∞	682
@accessibilityTag	bit-accessibility	The accessibility classification(s) for the bit	enum	0 - ∞	687
@accessibilityTag	bit-accessibility	Accessibility classification(s) of the group	enum	0 - ∞	682
customer▼	several	Anchor of the bit, as the customer's source names it	string	0 - 1	687
▼	several	Anchor of the bit	string	0 - 1	687
@ageRange	bit-audience	The age range for the bit	string	0 - ∞	687
@altLangTag	bit-audience	The alternative language tag for the bit	string	0 - 1	687
@lang	several	The language for the bit	string	0 - 1	687
@levelACTFL	bit-audience	The ACTFL level for the bit	string	0 - 1	687
@levelCEFR	bit-audience	The CEFR level for the bit	string	0 - 1	687
@levelCEFRp	bit-audience	The CEFRp level for the bit	string	0 - 1	687
@levelILR	bit-audience	The ILR level for the bit	string	0 - 1	687
@diffContext	bit-diff	The diff context for the bit	string	0 - 1	687
@diffOp	several	The diff operation for the bit	string	0 - 1	687
@diffRef	bit-diff	The diff reference for the bit	string	0 - 1	687
@diffTime	bit-diff	The diff time for the bit	number	0 - 1	687
@diffTo	bit-diff	The diff to version for the bit	string	0 - 1	687
@collapsed	bit-display	If true, the bit is collapsed	boolean	0 - 1	687
@colorTag	bit-display	The color tag(s) for the bit	string	0 - ∞	687
@icon	bit-display	The icon for the bit	string	0 - 1	687
@iconTag	bit-display	The icon tag for the bit	string	0 - 1	687
@isCollapsible	bit-display	If true, the bit is collapsible	boolean	0 - 1	643
@isSelectable	bit-display	If true, the bit is selectable	boolean	0 - 1	687
@layer	bit-display	The layer(s) for the bit	string	0 - ∞	687
@layerRole	bit-display	The layer role(s) for the bit	string	0 - ∞	687
@pageBreak	bit-display	If true, the bit starts on a new page	boolean	0 - 1	687
@rtl	bit-display	If true, the book is right-to-left	boolean	0 - 1	687
@spansPageBreak	bit-display	If true, the bit spans a page break	boolean	0 - 1	687
@theme	bit-display	The theme(s) for the bit	string	0 - ∞	687
@aiDisclosureRequired	bit-editorial	If true, readers must be shown that the bit's content is AI-generated	boolean	0 - 1	687
@aiGenerated	bit-editorial	If true, the bit is AI-generated	boolean	0 - 1	684
@aiModel	bit-editorial	The AI model used to create the bit's content, e.g. gpt-5, claude-sonnet-4	string	0 - 1	687
@aiOperation	bit-editorial	What the AI did to the bit's content, e.g. generate, translate, rewrite, summarize, transform	string	0 - 1	687
@aiReviewed	bit-editorial	If true, a person has reviewed the bit's AI-generated content as an editor	boolean	0 - 1	687
@internalComment	bit-editorial	Internal comment for the bit	string	0 - ∞	687
@isTemplate	several	If true, the bit is a template	boolean	0 - 1	687
@isTemplateStripTheme	several	If true, the template's theme is stripped	boolean	0 - 1	687
@machineTranslated	bit-editorial	If true, the bit is machine-translated	string	0 - 1	687
@needsValidation	bit-editorial	If true, the bit needs validation	boolean	0 - 1	687
@reviewTag	bit-editorial	The review tag(s) for the bit	string	0 - ∞	687
@reviewerTag	bit-editorial	The reviewer tag(s) for the bit	string	0 - ∞	687
@translationOf	bit-editorial	Translation source reference	string	0 - 1	687
@validationDate	bit-editorial	The date when the bit was validated	string	0 - 1	687
@disableFeedback	bit-feedback	If true, feedback is disabled for the bit	boolean	0 - 1	687
@feedbackEngine	bit-feedback	The feedback engine for the bit	string	0 - 1	687
@feedbackType	bit-feedback	The feedback type for the bit	string	0 - 1	687
@classification	bit-generator	Classification(s) of the created bits	string	0 - ∞	1
@bitFingerprint	bit-identity	Fingerprint(s) used by the AI extractor to identify the bit (font, style, color, pixels, etc.)	string	0 - ∞	687
@customerId	bit-identity	The customer-specific identifier for the bit	string	0 - 1	687
@externalId	bit-identity	The external identifier for the bit	string	0 - ∞	687
@extractorInternal	bit-identity	Internal metadata used by the extractor for processing purposes	string	0 - ∞	687
@extractorTag	bit-identity	The extractor tag(s) for the bit	string	0 - ∞	687
@gUri	bit-identity	Global URI for the bit	string	0 - 1	687
@id	bit-identity	The unique identifier(s) for the bit	string	0 - ∞	687
@sourceBB	bit-identity	The source bounding box(es) for the bit (x, y, x1, y1)	numberList4	0 - ∞	687
@sourceRL	bit-identity	The original location of the information in the original source material	string	0 - 1	687
►	several	Reference to the start of the range	string	0 - 1	44
@publisher	bit-rights	The publisher(s) of the bit	string	0 - ∞	687
@publisherName	bit-rights	The name of the publisher of the bit	string	0 - 1	687
@rightsPolicy	bit-rights	The rights policy or policies for the bit	string	0 - ∞	687
@analyticsTag	bit-tagging	The analytics tag(s) for the bit	string	0 - ∞	687
@bubbleTag	bit-tagging	The bubble tag(s) for the bit	string	0 - ∞	687
@categoryTag	bit-tagging	The category tag(s) for the bit	string	0 - ∞	687
@groupTag	bit-tagging	The group tag(s) for the bit	string	0 - ∞	687
@reductionTag	bit-tagging	The reduction tag(s) for the bit	string	0 - ∞	687
@reportTag	bit-tagging	The report tag(s) for the bit	string	0 - ∞	687
@searchIndex	bit-tagging	The search index(es) for the bit	string	0 - ∞	687
@tag	bit-tagging	The tag(s) for the bit	string	0 - ∞	687
@tag	bit-tagging	The tag(s) for the group	string	0 - ∞	687
@target	bit-tagging	The target(s) for the bit	string	0 - ∞	687
@topicTag	bit-tagging	The topic tag(s) for the bit	string	0 - ∞	687
@bookAlias	book-alias	Alias of the book	string	0 - ∞	1
&backgroundImage	book-common	The background image	string	0 - 1	3
@allowPrint	book-common	Whether printing is allowed: enforced on / off, or per space configuration	enum	0 - 1	3
@author	book-common	Author(s)	string	0 - ∞	3
@backgroundImage	book-common	Background image reference(s)	string	0 - ∞	3
@chatWithBook	book-common	If true, readers can chat with the book	boolean	0 - 1	3
@chatWithBookBrainKey	book-common	BookBrain key for the chat	string	0 - 1	3
@coverColor	several	Colour of the book cover	string	0 - 1	4
@coverImage	book-common	Cover image reference(s)	string	0 - ∞	3
@customerExternalId	book-common	Customer-specific external identifier	string	0 - 1	3
@displayName	book-common	Display name	string	0 - 1	3
@duration	several	How long it takes	string	0 - 1	52
@enforceUpdateOverUserInput	book-common	If true, new content overrides legacy content from the instance API	boolean	0 - 1	3
@extractorExtractionTimestamp	book-common	Extraction timestamp(s) of the conversion	string	0 - ∞	3
@hasMarkAsDone	book-common	If true, the book has a "Mark as done" feature	boolean	0 - 1	3
@hasPrintRestriction	book-common	If true, printing is restricted	boolean	0 - 1	3
@internalPrintPdf	book-common	URL of the internal print PDF	string	0 - 1	3
@isEditable	book-common	If true, the book is editable	boolean	0 - 1	3
@isPublic	book-common	If true, the book is public	boolean	0 - 1	3
@kind	book-common	Kind of book	string	0 - 1	3
@language	book-common	Language(s) of the book	string	0 - ∞	3
@maxTocChapterLevel	book-common	Deepest chapter level in the table of contents	number	0 - 1	3
@processHandIn	book-common	If true, the book is processed on hand-in	boolean	0 - 1	3
@processHandInLocation	book-common	Where the book was handed in	string	0 - 1	3
@publications	book-common	Publication(s)	string	0 - ∞	3
@relatedBook	book-common	Related book(s)	string	0 - ∞	3
@sourceDocument	book-common	URL of the source document, e.g. a PDF	string	0 - 1	3
@spaceId	book-common	Space(s) the book belongs to	string	0 - ∞	3
@subject	book-common	Subject(s)	string	0 - ∞	3
@subtype	book-common	Subtype of book	string	0 - 1	3
@translationOfBook	book-common	External id of the book this is a translation of	string	0 - 1	3
@userFeedbackContentUrl	book-common	URL of the content feedback form	string	0 - 1	3
@userFeedbackTranslationUrl	book-common	URL of the translation feedback form	string	0 - 1	3
@bookDiff	book-diff	Reference to the book this diff compares to	string	0 - 1	1
@citationStyle	book-reference	Citation style to render the reference in	string	0 - 1	2
@refAuthor	book-reference	Author(s) of the referenced work	string	0 - ∞	2
@refBookTitle	book-reference	Title of the referenced work	string	0 - 1	2
@refPublicationYear	book-reference	Year of publication	string	0 - 1	2
@refPublisher	book-reference	Publisher(s) of the referenced work	string	0 - ∞	2
!	bot-action-response	Label of the response	string	0 - 1	1
%	bot-action-response	The item of the response	string	0 - 1	1
%	several	The lead	bitmark++	0 - 1	673
%	several	The margin number	bitmark++	0 - 1	687
%	several	The page number	bitmark++	0 - 1	687
@example	several	Example text of the element	string	0 - 1	2
@reaction	bot-action-response	Reaction to the response	string	0 - 1	1
@date	several	Start date	string	0 - 1	37
@bot	bot-training	The bot	string	0 - 1	1
@brandColor	brand-color	The brand colour	string	0 - 1	1
@brandColorName	brand-color	Name of the brand colour	string	0 - 1	1
@buttonCaption	button-caption	Caption of the button	string	0 - 1	72
@callToActionUrl	call-to-action	URL opened when the button is pressed	string	1 - 1	17
@example	card-example	Marks the side as the example	bitmark++	0 - 1	27
#	card-title	Title of the card side	bitmark++	0 - 1	33
@isCaseSensitive	case-sensitive	If true, the comparison is case-sensitive	boolean	0 - 1	19
@bookAuthor	catalog-item	Author of the book	string	0 - 1	3
@bookBindingType	catalog-item	Binding type	string	0 - 1	3
@bookIsbn	catalog-item	ISBN	string	0 - 1	3
@bookLanguage	catalog-item	Language of the book	string	0 - 1	3
@bookNumberOfPages	catalog-item	Number of pages	string	0 - 1	3
@bookOriginalTitle	catalog-item	Original title	string	0 - 1	3
@bookPublisher	catalog-item	Publisher	string	0 - 1	3
@bookPublishingDate	catalog-item	Publishing date	string	0 - 1	3
@bookRating	catalog-item	Rating	string	0 - 1	3
@bookSeriesId	catalog-item	Identifier of the series	string	0 - 1	3
@bookSeriesNumber	catalog-item	Number within the series	string	0 - 1	3
@bookSeriesTitle	catalog-item	Title of the series	string	0 - 1	3
@bookTranslator	catalog-item	Translator	string	0 - 1	3
@bookType	catalog-item	Type of the book	string	0 - 1	3
@coverImage	catalog-item	Cover image of the catalog item	string	0 - 1	3
@currency	catalog-item	Currency of the price	string	0 - 1	3
@customerProductId	catalog-item	Customer-specific product identifier	string	0 - 1	3
@gmbExternalShop	catalog-item	External shop identifier	string	0 - 1	3
@gmbExternalShopItems	catalog-item	External shop items	string	0 - ∞	3
@listPrice	catalog-item	List price	string	0 - 1	3
#	several	The heading text; the level comes from the number of # characters	bitmark++	0 - 1	3
@isCollapsible	chapter	If true, the chapter is collapsible	boolean	0 - 1	1
@progress	chapter	If true, reading progress is tracked for the chapter	boolean	0 - 1	1
@toc	chapter	If true, the chapter appears in the table of contents	boolean	0 - 1	1
@quizCountItems	cloze	If true, the items are counted and shown	boolean	0 - 1	5
@quizStrikethroughSolutions	cloze	If true, solutions are shown struck through	boolean	0 - 1	7
@quizCountItems	cloze-grouped	If true, the items are counted and shown	boolean	0 - 1	3
@quizStrikethroughSolutions	cloze-solution-grouped	If true, solutions are shown struck through	boolean	0 - 1	1
@codeLineNumbers	code	If true, line numbers are shown	boolean	0 - 1	29
@codeMinimap	code	If true, a minimap is shown	boolean	0 - 1	29
@computerLanguage	code	Programming language of the code	string	0 - 1	29
@isCollapsible	collapsible	If true, the bit is collapsible	boolean	0 - 1	46
@allowedBit	container	Bit type(s) allowed inside the container	string	0 - ∞	26
@content2Buy	content-to-buy	Identifier of the content to buy	string	0 - 1	5
?	cook-ingredients	Hint for the servings	string	0 - 1	2
@decimalPlaces	several	Decimal places of the quantity	number	0 - 1	2
@disableCalculation	several	If true, quantities are not recalculated	boolean	0 - 1	2
@servings	cook-ingredients	Number of servings	number	0 - 1	2
@unit	several	Unit of measurement (singular)	string	0 - 1	2
@unitAbbr	several	Abbreviated unit (singular)	string	0 - 1	2
@unitAbbrPlural	several	Abbreviated unit (plural)	string	0 - 1	2
@unitPlural	several	Unit of measurement (plural)	string	0 - 1	2
&coverImage	cover-image	The cover image	string	0 - 1	5
#	several	Heading of the term column	string	0 - 1	36
@diffAt	diff-patch	Where the edit applies, as a bitmark path (card/1/-, body, &image/@width); bit is the whole bit, bit/after the slot after it	string	0 - 1	2
@diffFind	diff-patch	For substitute: the text to find (exactly once) and replace with the value	string	0 - 1	2
@diffBase	diff-proposal	Hash of the target bit when the proposal was written; a mismatch on apply is a warning	string	0 - 1	2
@example	essay	The example essay	bitmark++	0 - 1	4
@partialAnswer	several	Partial answer	string	0 - 1	10
@reasonableNumOfChars	essay	Reasonable number of characters for the essay	number	0 - 1	4
@reference	essay	Reference(s) to external resources	string	0 - ∞	4
@sampleSolution	several	Sample solution	string	0 - 1	10
@availableClassifications	extractor-block	Classifications the block may take	string	0 - ∞	1
@blockId	extractor-block	Identifier of the block	string	0 - 1	1
@classification	extractor-block	Classification of the block	string	0 - 1	1
@index	extractor-block	Order of the block within the page	number	0 - 1	1
@pageNo	extractor-block	Page the block is on	number	0 - 1	1
@x	extractor-block	X position on the page	number	0 - 1	1
@y	extractor-block	Y position on the page	number	0 - 1	1
@reasonableNumOfChars	several	Reasonable number of characters for an answer	number	0 - 1	10
!	several	The instruction	bitmark++	0 - 1	674
%	several	The item	bitmark++	0 - 1	679
+	feedback-choice	A choice that requires a reason	string	0 - ∞	4
-	feedback-choice	A choice that requires no reason	string	0 - ∞	4
?	several	The hint	bitmark++	0 - 1	673
@example	feedback-choice	Marks the choice as the example	boolean	0 - 1	4
!	feedback-reason	Instruction for the reason	bitmark++	0 - 1	4
@example	feedback-reason	Example reason	bitmark++	0 - 1	4
@reasonableNumOfChars	feedback-reason	Reasonable number of characters for the reason	number	0 - 1	4
@focusX	focus-point	X coordinate of the focus point	number	0 - 1	2
@focusY	focus-point	Y coordinate of the focus point	number	0 - 1	2
@example	gap	The example for the gap	bitmark++	0 - 1	11
@isCaseSensitive	gap	If true, the gap is compared case-sensitively	boolean	0 - 1	11
_	gap	The gap value	string	0 - ∞	11
_	gap	Alternative value(s) of the gap	string	0 - ∞	11
@handInAcceptFileType	hand-in-file-type	Accepted file types	string	0 - ∞	2
@handInInstruction	hand-in-submit	Instruction shown to the user	string	0 - 1	1
@handInRequirement	hand-in-submit	Requirement(s) for the submission	string	0 - ∞	1
@allowUploadOnly	hand-in-upload	Only allow uploading an existing file (no capture in the app)	boolean	0 - 1	10
#	heading-for-values	Heading of the value column	string	0 - 1	35
@format	image-source	Format	string	0 - 1	4
@imageSource	image-source	Source of the image	string	0 - 1	4
@mockupId	image-source	Mockup identifier	string	0 - 1	4
@size	image-source	Size	number	0 - 1	4
@trim	image-source	If true, the image is trimmed	boolean	0 - 1	4
!	ingredient	Quantity of the ingredient	number	0 - 1	2
+	ingredient	The ingredient, checked	bitmark++	0 - 1	2
-	ingredient	The ingredient, unchecked	bitmark++	0 - 1	2
@formula	latex-formula	The LaTeX formula	string	0 - 1	1
@action	learning-path-common	The action	string	0 - 1	32
@dateEnd	learning-path-common	End date	string	0 - 1	32
@deeplink	learning-path-common	Deep link(s)	string	0 - ∞	32
@isInfoOnly	learning-path-common	If true, the item is informational only	boolean	0 - 1	32
@isTracked	learning-path-common	If true, progress is tracked	boolean	0 - 1	32
@list	learning-path-common	List item(s)	string	0 - ∞	32
@location	learning-path-common	Location	string	0 - 1	32
@textReference	learning-path-common	Text reference	string	0 - 1	32
@externalLink	learning-path-external-link	URL of the external resource	string	0 - 1	2
@externalLinkText	learning-path-external-link	Text of the link	string	0 - 1	2
@videoCallLink	learning-path-video-call	Link to the video call	string	0 - 1	2
@book	several	The book(s)	string	0 - 1	40
►	several	Reference to the end of the range	string	0 - 1	41
@listItemIndent	list-item	Indentation level of the item	number	0 - 1	4
@mailingList	mailing-list	The mailing list	string	0 - 1	1
=	mark	The marked content	string	0 - ∞	1
@example	mark	If set, the mark is the example	boolean	0 - 1	1
@mark	mark	The mark applied	string	0 - 1	1
@color	mark-config	Colour of the mark	string	0 - 1	1
@emphasis	mark-config	Emphasis of the mark	string	0 - 1	1
@mark	mark-config	A mark definition	string	0 - ∞	1
@example	match	The example answer(s) for the matching quiz	bitmark++	0 - 1	8
&audio	match-key-audio	Audio of the key	string	0 - 1	6
&image	match-key-image	Image of the key	string	0 - 1	6
#	match-matrix-cell	Heading of the value column	string	0 - 1	1
@example	match-matrix-cell	Marks the cell as the example	bitmark++	0 - 1	1
@isCaseSensitive	match-matrix-cell	If true, the comparison is case-sensitive	boolean	0 - 1	1
@example	match-matrix-key	Marks the key as the example	string	0 - 1	1
@isCaseSensitive	match-matrix-key	If true, the comparison is case-sensitive	boolean	0 - 1	1
@example	match-pair-key	Marks the key as the example	bitmark++	0 - 1	5
@isCaseSensitive	several	If true, the comparison is case-sensitive	boolean	0 - 1	5
@example	match-pair-value	Marks the value as the example	bitmark++	0 - 1	5
&audio	match-value-audio	Audio of the value	string	0 - 1	1
&image	match-value-image	Image of the value	string	0 - 1	1
@hasBookNavigation	module	If true, the module has book navigation	boolean	0 - 1	2
@productId	module	Product(s) the module belongs to	string	1 - ∞	1
@productId	module-product	The product this module belongs to	string	1 - 1	1
@thumbImage	page	Thumbnail image of the page	string	0 - 1	4
@authorFullName	page-open-book	Full name of the author	string	0 - 1	3
@authorJobTitle	page-open-book	Job title of the author	string	0 - 1	3
@authorPseudonym	page-open-book	Pseudonym of the author	string	0 - 1	3
@authorTitle	page-open-book	Title of the author, e.g. "Dr."	string	0 - 1	3
@book	page-open-book-list	The book(s) to open	string	0 - ∞	1
@product	page-product	The product	string	0 - 1	1
@product	page-product-list	The products	string	0 - ∞	1
@productVideo	page-product-video	The product video	string	0 - 1	1
@productVideo	page-product-video-list	The product videos	string	0 - ∞	1
@productFolder	page-section-folder	The product folder	string	0 - 1	1
@slug	page-slug	URL slug identifying the page	string	0 - 1	23
@page	page-subpage	The parent page	string	0 - 1	6
&image	several	The image resource	string	0 - 1	15
&sourceImage	several	A source image the image resource was made from; `@selected` marks the one used	string	0 - ∞	119
@partner	person	The partner	string	0 - 1	13
@person	person	The person	string	0 - 1	13
@source	several	How the source image was obtained (e.g. embedded, composite)	string	0 - 1	119
@example	plain-example	The example text for the bit	string	0 - 1	27
&platformIcon	platform	Icon of the platform	string	0 - 1	1
@platformName	platform	Name of the platform	string	0 - 1	1
@platformBrandTarget	platform-brand-target	Brand target: "light", "dark" or "none"	string	0 - 1	1
&platformLogo	platform-header	The platform logo	string	0 - 1	1
@platformLogoMaxHeight	platform-header	Maximum height of the logo	number	0 - 1	1
@path	platform-path	The navigation path	string	0 - 1	1
&platformBackgroundImage	platform-section-chat	Background image of the chat section	string	0 - 1	1
@platformBackgroundColor	platform-style-colors	The platform system background color	string	0 - 1	11
@platformBaseLayerColor	platform-style-colors	The platform base layer color	string	0 - 1	11
@platformBorderColor	platform-style-colors	The platform border color	string	0 - 1	11
@platformButtonBackgroundColor	platform-style-colors	The platform section header button background color	string	0 - 1	11
@platformButtonPrimaryColor	platform-style-colors	The platform section header button primary color	string	0 - 1	11
@platformMessageBackgroundColor	platform-style-colors	The platform section chat message background color	string	0 - 1	11
@platformPlaceholderColor	platform-style-colors	The platform main input placeholder color	string	0 - 1	11
@platformPrimaryColor	platform-style-colors	The platform system primary color	string	0 - 1	11
@platformScrollbarColor	platform-style-colors	The platform main scrollbar color	string	0 - 1	11
@platformSecondaryColor	platform-style-colors	The platform section secondary color	string	0 - 1	11
@platformSelectionColor	platform-style-colors	The platform main selection color	string	0 - 1	11
@platformSelectionTextColor	platform-style-colors	The platform selection text color	string	0 - 1	11
@platformSeparatorColor	platform-style-colors	The platform main separator color	string	0 - 1	11
@platformTextSelectionColor	platform-style-colors	The platform main input text selection color	string	0 - 1	11
@platformBorderRadius	platform-style-layout	The platform border radius	number	0 - 1	11
@platformMargin	platform-style-layout	The platform margin	number	0 - 1	11
@platformNeedsShadow	platform-style-layout	If true, the platform needs shadow	boolean	0 - 1	11
@platformSelectionBorderRadius	platform-style-layout	The platform selection border radius	number	0 - 1	11
@pointerLeft	pointer	Left position of the pointer	string	1 - 1	3
@pointerTop	pointer	Top position of the pointer	string	1 - 1	3
&previewImage	preview-images	A preview image	string	0 - ∞	3
&previewVideo	preview-videos	A preview video	string	0 - ∞	3
@printParentChapterLevel	print-this-chapter	Level of the parent chapter to print	number	0 - 1	1
@customerProductShopLink	product-shop-link	Link to the product in the external shop	string	0 - 1	1
&audio	pronunciation-audio	Audio of the pronunciation	string	0 - 1	1
@iframeName	prototype-iframe	Name of the iframe	string	0 - 1	3
@iframeSrc	prototype-iframe	Source URL of the iframe	string	1 - 1	3
$	question	Sample solution of the question	string	0 - 1	6
@additionalSolutions	several	Additional accepted solutions	string	0 - ∞	55
@example	question	Marks the question as the example	bitmark++	0 - 1	6
@reasonableNumOfChars	question	Reasonable number of characters for the answer	number	0 - 1	6
@example	quiz-choice	Marks the choice as the example	boolean	0 - 1	2
@revealSolutions	quiz-common	If true, solutions are revealed	boolean	0 - 1	55
@example	quiz-example	The example answer(s) for the quiz	bitmark++	0 - 1	39
@example	quiz-response	Marks the response as the example	boolean	0 - 1	2
@quotedPerson	quote	The person being quoted	string	0 - 1	1
@releaseDate	release-note	Date of the release	string	0 - 1	1
@releaseKind	release-note	Kind of release	string	0 - 1	1
@releaseVersion	release-note	Version of the release	string	0 - 1	1
&appLink	resource-app-link	The app link	string	1 - 1	1
&articleEmbed	resource-article-embed	The embedded article resource	string	1 - 1	1
&articleLink	resource-article-link	The link to the article resource	string	1 - 1	1
&audio	resource-audio	The audio resource	string	1 - 1	2
@autoplay	several	If true, the media plays automatically	boolean	0 - 1	17
@mute	several	If true, the media is muted	boolean	0 - 1	17
&audioEmbed	resource-audio-embed	The embedded audio resource	string	1 - 1	2
&audioLink	resource-audio-link	The link to the audio resource	string	1 - 1	1
&document	resource-document	The document resource	string	1 - 1	1
&documentDownload	resource-document-download	The downloadable document resource	string	1 - 1	2
&documentEmbed	resource-document-embed	The embedded document resource	string	1 - 1	1
&documentLink	resource-document-link	The link to the document resource	string	1 - 1	1
&icon	resource-icon	The icon resource	string	0 - 1	27
&image	several	The image resource	string	1 - 1	80
&imageLandscape	resource-image-landscape	The landscape image resource	string	1 - 1	1
&imageLink	resource-image-link	The link to the image resource	string	1 - 1	1
&image	resource-image-no-zoom	The image resource (not zoomable)	string	1 - ∞	4
@zoomDisabled	resource-image-no-zoom	If true, the image cannot be zoomed	boolean	0 - 1	8
&imagePortrait	resource-image-portrait	The portrait image resource	string	1 - 1	1
&imagePlaceholder	resource-placeholder	The placeholder image	string	0 - 1	112
&stillImageFilmEmbed	resource-still-image-film-embed	The embedded still image film resource	string	1 - 1	1
@allowSubtitles	several	If true, subtitles may be shown	boolean	0 - 1	12
@posterImage	several	Poster image shown before playback	string	0 - 1	12
@showSubtitles	several	If true, subtitles are shown	boolean	0 - 1	12
@src1x	several	Source URL of the video at 1x resolution	string	0 - 1	12
@src2x	several	Source URL of the video at 2x resolution	string	0 - 1	12
@src3x	several	Source URL of the video at 3x resolution	string	0 - 1	12
@src4x	several	Source URL of the video at 4x resolution	string	0 - 1	12
&stillImageFilmLink	resource-still-image-film-link	The link to the still image film resource	string	1 - 1	1
&video	resource-video	The video resource	string	1 - 1	3
&videoEmbed	resource-video-embed	The embedded video resource	string	1 - 1	4
&videoLink	resource-video-link	The link to the video resource	string	1 - 1	3
&websiteLink	resource-website-link	The link to the website resource	string	1 - 1	1
@resolved	review-note-resolved	If true, the note is resolved	boolean	0 - 1	10
@resolvedBy	review-note-resolved	Who resolved the note	string	0 - 1	10
@resolvedDate	review-note-resolved	When the note was resolved	string	0 - 1	10
@posterImage	scorm	Poster image shown before the package loads	string	0 - 1	1
@scormSource	scorm	URL of the SCORM package	string	0 - 1	1
@example	sequence	If set, the bit is an example	boolean	0 - 1	1
@example	several	The example(s) for the bit	bitmark++	0 - 1	620
%	several	Placeholder for the lead; takes no value on lightweight bits	bitmark++	0 - 1	14
+	statement	The statement, marked true	bitmark++	0 - 1	2
-	statement	The statement, marked false	bitmark++	0 - 1	2
@example	statement-example	Marks the statement as the example	boolean	0 - 1	1
@printOnRequestCustomerId	stripe-print-on-request	Customer of the print-on-request flow	string	1 - 1	1
@printOnRequestProductId	stripe-print-on-request	Product of the print-on-request flow	string	1 - 1	1
@stripePricingTableDescriptiveName	stripe-print-on-request	Descriptive name of the pricing table	string	0 - 1	1
@buttonCaption	survey-matrix	Caption of the button	string	1 - 1	2
@label	survey-rating	Label of the highest level	bitmark++	0 - 1	3
@ratingLevelEnd	survey-rating	Highest rating level	number	0 - 1	3
@ratingLevelSelected	survey-rating	Preselected rating level	number	0 - 1	3
@ratingLevelStart	survey-rating	Lowest rating level	number	0 - 1	3
@tableAutoWidth	table	If true, column widths are automatic	boolean	0 - 1	55
@tableColWidth	table	Width of each column, one per column in order (e.g. 20%, 150); empty means auto	string	0 - ∞	55
@tableColumnMinWidth	table	Minimum column width	number	0 - 1	55
@tableFixedHeader	table	If true, the header stays visible while scrolling	boolean	0 - 1	55
@tableHeaderWhitespaceNoWrap	table	If true, header text does not wrap	boolean	0 - 1	55
@tableHeight	table	Height of the table in pixels	number	0 - 1	55
@tablePagination	table	If true, rows are paginated	boolean	0 - 1	55
@tablePaginationLimit	table	Rows per page	number	0 - 1	55
@tableResizableColumns	table	If true, columns can be resized	boolean	0 - 1	55
@tableSearch	table	If true, the table can be searched	boolean	0 - 1	55
@tableSort	table	If true, columns can be sorted	boolean	0 - 1	55
@tableWhitespaceNoWrap	table	If true, cell text does not wrap	boolean	0 - 1	55
@tableWidth	table	Width of the whole table (e.g. 100%, 600); empty means auto	string	0 - 1	55
#	table-cell	Text of the cell	bitmark++	0 - 1	15
@tableCellType	table-cell	Cell type: th or td	string	0 - 1	15
@tableColSpan	table-cell	Columns the cell spans	number	0 - 1	15
@tableColWidth	table-cell	Width of the column	number	0 - 1	15
@tableRowSpan	table-cell	Rows the cell spans	number	0 - 1	15
@tableScope	table-cell	Scope of a header cell	string	0 - 1	15
#	table-cell-extended	Text of the cell	bitmark++	0 - 1	40
@tableCellType	table-cell-extended	Cell type: th or td	string	0 - 1	40
@tableColSpan	table-cell-extended	Columns the cell spans	number	0 - 1	40
@tableColWidth	table-cell-extended	Width of the column	number	0 - 1	40
@tableRowSpan	table-cell-extended	Rows the cell spans	number	0 - 1	40
@tableScope	table-cell-extended	Scope of a header cell	string	0 - 1	40
@technicalTerm	technical-term	The technical term	string	0 - 1	2
@maxDisplayLevel	toc-chapter	Maximum level to display	number	0 - 1	1
@tocContent	toc-content	The content section(s) listed	string	0 - ∞	1
@maxTocChapterLevel	toc-inline	Deepest chapter level in the table of contents	number	0 - 1	1
@tocResource	toc-resource	The resource section(s) listed	string	0 - ∞	1
+	true-false	True values for a true/false statement/question	string	0 - ∞	4
-	true-false	False values for a true/false statement/question	string	0 - ∞	4
@example	true-false	An example for the true/false statement/question (incorrect entry — no cascade decoration: an ancestor bare example leaves incorrect choices untouched)	boolean	0 - 1	4
@example	true-false	An example for the true/false statement/question	boolean	0 - 1	4
@example	true-false-1	If set, marks the correct answer as the example	boolean	0 - 1	1
+	true-false-inline-highlight	Highlighted span values (correct)	string	0 - ∞	1
-	true-false-inline-highlight	Highlighted span values (incorrect)	string	0 - ∞	1
@example	several	An example for the highlighted span (first correct only)	boolean	0 - 1	6
+	true-false-inline-select	True values for an inline select body bit	string	0 - ∞	5
-	true-false-inline-select	False values for an inline select body bit	string	0 - ∞	5
@labelFalse	true-false-labels	Label of the false option	string	0 - 1	2
@labelTrue	true-false-labels	Label of the true option	string	0 - 1	2
+	true-false-responses	True values for a true/false statement/question	string	0 - ∞	4
-	true-false-responses	False values for a true/false statement/question	string	0 - ∞	4
@example	true-false-responses	An example for the true/false statement/question	boolean	0 - 1	4
@example	true-false-responses	An example for the true/false statement/question	boolean	0 - 1	4
@vendorDashboardId	vendor-datadog-dashboard	Identifier of the dashboard	string	0 - 1	1
@vendorSurveyId	vendor-formbricks	Identifier of the survey	string	0 - 1	4
@vendorUrl	vendor-iframely	URL of the content	string	0 - 1	4
@jupyterExecutionCount	vendor-jupyter	Execution count of the cell	number	0 - 1	5
@jupyterId	vendor-jupyter	Identifier of the notebook	string	0 - 1	5
@padletId	vendor-padlet	Identifier of the board	string	0 - 1	1
@stripePricingTableId	vendor-stripe-pricing-table	Identifier of the pricing table	string	1 - 1	3
@stripePublishableKey	vendor-stripe-pricing-table	Publishable key of the Stripe account	string	1 - 1	3