VAST Versions Quick Guide This guide is a quick reference tool for those looking to upgrade to the latest version of VAST or looking to add additional feature support to existing implementations. Deprecated or deleted VAST features are shown using strikethrough.
VAST 2.0
VAST 3.0
VAST 4.x (currently 4.2)
VAST Inline Elements and Attributes
Elements
Attributes
Version Support
VAST
2.0
3.0
4.x
version
2.0
3.0
4.x
/Error
-
3.0
4.x
VAST/Ad
2.0
3.0
4.x
id
2.0
3.0
4.x
sequence
-
3.0
4.x
conditionalAd-
-
4.x
adType
-
-
4.x
VAST/Ad/InLine
2.0
3.0
4.x
/AdSystem
2.0
3.0
4.x
version
2.0
3.0
4.x
/AdTitle
2.0
3.0
4.x
/Impression
2.0
3.0
4.x
/AdServingId
-
-
4.x
/Category
-
-
4.x
authority
-
-
4.x
/Description
2.0
3.0
4.x
/Advertiser
-
3.0
4.x
id
-
-
4.x
/Pricing
-
3.0
4.x
model
-
3.0
4.x
currency
-
3.0
4.x
/Survey
2.0
3.0
4.x
type
-
3.0
4.x
/Error
2.0
3.0
4.x
/Expires
-
-
4.x
/ViewableImpression
-
-
4.x
id
-
-
4.x
/Viewable
-
-
4.x
/NotViewable
-
-
4.x
/ViewUndetermined
-
-
4.x
/AdVerifications
-
-
4.x
/Verification
-
-
4.x
vendor
-
-
4.x
/JavaScriptResource
-
-
4.x
apiFramework
-
-
4.x
browserOptional
-
-
4.x
/FlashResource
-
-
4.x
apiFramework-
-
4.x
/ExecutableResource
-
-
4.x
apiFramework
-
-
4.x
language
-
-
4.x
/TrackingEvents
-
-
4.x
/Tracking
-
-
4.x
event
-
-
4.x
/ViewableImpression
-
-
4.x
id-
-
4.x
/VerificationParameters
-
-
4.x
/Extensions
2.0
3.0
4.x
/Extension
2.0
3.0
4.x
type
2.0
3.0
4.x
/Creatives
2.0
3.0
4.x
/Creative
2.0
3.0
4.x
id
2.0
3.0
4.x
sequence
2.0
3.0
4.x
adId
2.0
3.0
4.x
apiFramework
-
-
4.x
/UniversalAdId
-
-
4.x
idRegistry
-
-
4.x
idValue-
-
4.x
/CreativeExtensions
-
3.0
4.x
/CreativeExtension
-
3.0
4.x
type
-
3.0
4.x
/Linear
2.0
3.0
4.x
skipoffset
-
3.0
4.x
/Duration
2.0
3.0
4.x
/AdParameters
-
3.0
4.x
xmlEncoded
-
3.0
4.x
/MediaFiles
2.0
3.0
4.x
/Mezzanine
-
-
4.x
delivery
-
-
4.x
type
-
-
4.x
width
-
-
4.x
height
-
-
4.x
codec
-
-
4.x
id
-
-
4.x
fileSize
-
-
4.x
mediaType
-
-
4.x
/MediaFile
2.0
3.0
4.x
id
2.0
3.0
4.x
delivery
2.0
3.0
4.x
type
2.0
3.0
4.x
bitrate
2.0
3.0
4.x
minBitrate
-
3.0
4.x
maxBitrate
-
3.0
4.x
width
2.0
3.0
4.x
height
2.0
3.0
4.x
scalable
2.0
3.0
4.x
maintainAspectRatio
2.0
3.0
4.x
codec
-
3.0
4.x
apiFramework2.03.04.x
fileSize
-
-
4.x
mediaType
-
-
4.x
/InteractiveCreativeFile
-
-
4.x
type
-
-
4.x
apiFramework
-
-
4.x
variableDuration
-
-
4.x
/ClosedCaptionFiles
-
-
4.x
/ClosedCaptionFile
-
-
4.x
type
-
-
4.x
language
-
-
4.x
/VideoClicks
2.0
3.0
4.x
/ClickThrough
2.0
3.0
4.x
id
3.0
4.x
/ClickTracking
2.0
3.0
4.x
id
3.0
4.x
/CustomClick
2.0
3.0
4.x
id
3.0
4.x
/TrackingEvents
2.0
3.0
4.x
/Tracking
2.0
3.0
4.x
event
2.0
3.0
4.x
offset
-
3.0
4.x
/Icons
-
3.0
4.x
/Icon
-
3.0
4.x
program
-
3.0
4.x
width
-
3.0
4.x
height
-
3.0
4.x
xPosition
-
3.0
4.x
yPosition
-
3.0
4.x
duration
-
3.0
4.x
offset
-
3.0
4.x
apiFramework
-
3.0
4.x
pxratio
-
-
4.x
/StaticResource
-
3.0
4.x
creativeType
-
3.0
4.x
/IFrameResource
-
3.0
4.x
/HTMLResource
-
3.0
4.x
/IconClicks
-
3.0
4.x
/IconClickThrough
-
3.0
4.x
/IconClickTracking
-
3.0
4.x
id
-
3.0
4.x
/IconClickFallbackImages
-
-
4.x
/IconClickFallbackImage
-
-
4.x
/AltText
-
-
4.x
/StaticResource
-
-
4.x
/IconViewTracking
-
3.0
4.x
/NonLinearAds
2.0
3.0
4.x
/NonLinear
2.0
3.0
4.x
id
2.0
3.0
4.x
width
2.0
3.0
4.x
height
2.0
3.0
4.x
expandedWidth
2.0
3.0
4.x
expandedHeight
2.0
3.0
4.x
scalable
2.0
3.0
4.x
maintainAspectRatio
2.0
3.0
4.x
minSuggestedDuration
2.0
3.0
4.x
apiFramework
2.0
3.0
4.x
/NonLinearClickThrough
2.0
3.0
4.x
/NonLinearClickTracking
-
3.0
4.x
id
-
3.0
4.x
/TrackingEvents
2.0
3.0
4.x
/Tracking
2.0
3.0
4.x
event
2.0
3.0
4.x
/AdParameters
2.0-
-
xmlEncoded2.0-
-
/CompanionAds
2.0
3.0
4.x
required
2.0
3.0
4.x
/Companion
2.0
3.0
4.x
id
2.0
3.0
4.x
width
2.0
3.0
4.x
height
2.0
3.0
4.x
assetWidth
-
3.0
4.x
assetHeight
-
3.0
4.x
expandedWidth
2.0
3.0
4.x
expandedHeight
2.0
3.0
4.x
apiFramework
2.0
3.0
4.x
adSlotId
-
3.0
4.x
pxratio
-
-
4.x
renderingMode
-
-
4.x
/StaticResource
2.0
3.0
4.x
creativeType
2.0
3.0
4.x
/IFrameResource
2.0
3.0
4.x
/HTMLResource
2.0
3.0
4.x
/AdParameters
2.0
3.0
4.x
xmlEncoded
-
3.0
4.x
/AltText
2.0
3.0
4.x
/CompanionClickThrough
2.0
3.0
4.x
/CompanionClickTracking
-
3.0
4.x
id
-
3.0
4.x
/TrackingEvents
2.0
3.0
4.x
/Tracking
2.0
3.0
4.x
event
2.0
3.0
4.x
VAST Wrapper Elements and Attributes
Elements
Attributes
Version Support
VAST/Ad/Wrapper
2.0
3.0
4.x
followAdditionalWrappers
-
-
4.x
allowMultipleAds
-
-
4.x
fallbackOnNoAd
-
-
4.x
/Impression
2.0
3.0
4.x
id
2.0
3.0
4.x
/VASTAdTagURI
2.0
3.0
4.x
/AdSystem
2.0
3.0
4.x
version
2.0
3.0
4.x
/Pricing
-
-
4.x
model
-
-
4.x
currency
-
-
4.x
/Error
2.0
3.0
4.x
/ViewableImpression
-
-
4.x
id
-
-
4.x
/Viewable
-
-
4.x
/NotViewable
-
-
4.x
/ViewUndetermined
-
-
4.x
/AdVerifications
-
-
4.x
/Verification
-
-
4.x
vendor
-
-
4.x
/JavaScriptResource
-
-
4.x
apiFramework
-
-
4.x
browserOptional
-
-
4.x
/ExecutableResource
-
-
4.x
apiFramework
-
-
4.x
language
-
-
4.x
/TrackingEvents
-
-
4.x
/Tracking
-
-
4.x
event
-
-
4.x
/VerificationParameters
-
-
4.x
/BlockedAdCategories
-
-
4.x
/ViewableImpression
-
-
4.x
id-
-
4.x
/Extensions
2.0
3.0
4.x
/Extension
2.0
3.0
4.x
type
2.0
3.0
4.x
/Creatives
2.0
3.0
4.x
/Creative
2.0
3.0
4.x
id
2.0
3.0
4.x
sequence
2.0
3.0
4.x
adId
2.0
3.0
4.x
/Linear
2.0
3.0
4.x
/TrackingEvents
2.0
3.0
4.x
/Tracking
2.0
3.0
4.x
event
2.0
3.0
4.x
offset
-
3.0
4.x
/VideoClicks
2.0
3.0
4.x
/ClickThrough
-
-
4.x
id
-
-
4.x
/ClickTracking
2.0
3.0
4.x
id
2.0
3.0
4.x
/CustomClick
2.0
3.0
4.x
id
2.0
3.0
4.x
/Icons
-
3.0
4.x
/Icon
-
3.0
4.x
program
-
3.0
4.x
width
-
3.0
4.x
height
-
3.0
4.x
xPosition
-
3.0
4.x
yPosition
-
3.0
4.x
duration
-
3.0
4.x
offset
-
3.0
4.x
apiFramework
-
3.0
4.x
pxratio
-
-
4.x
/StaticResource
-
3.0
4.x
creativeType
-
3.0
4.x
/IFrameResource
-
3.0
4.x
/HTMLResource
-
3.0
4.x
/IconClicks
-
3.0
4.x
/IconClickThrough
-
3.0
4.x
/IconClickTracking
-
3.0
4.x
id
-
-
4.x
/IconClickFallbackImages
-
-
4.x
/IconClickFallbackImage
-
-
4.x
/AltText
-
-
4.x
/StaticResource
-
-
4.x
/IconViewTracking
-
3.0
4.x
/InteractiveCreativeFile
-
-
4.x
type
-
-
4.x
apiFramework
-
-
4.x
variableDuration
-
-
4.x
/NonLinearAds
2.0
3.0
4.x
/NonLinear
2.0
3.0
4.x
id
2.0
3.0
4.x
width
2.0
3.0
4.x
height
2.0
3.0
4.x
expandedWidth
2.0
3.0
4.x
expandedHeight
2.0
3.0
4.x
scalable
2.0
3.0
4.x
maintainAspectRatio
2.0
3.0
4.x
minSuggestedDuration
2.0
3.0
4.x
apiFramework
2.0
3.0
4.x
/NonLinearClickThrough
2.0
3.0
4.x
/NonLinearClickTracking
-
3.0
4.x
/TrackingEvents
2.0
3.0
4.x
/Tracking
2.0
3.0
4.x
event
2.0
3.0
4.x
/CompanionAds
2.0
3.0
4.x
required
-
3.0
4.x
/Companion
2.0
3.0
4.x
id
2.0
3.0
4.x
width
2.0
3.0
4.x
height
2.0
3.0
4.x
assetWidth
-
3.0
4.x
assetHeight
-
3.0
4.x
expandedWidth
2.0
3.0
4.x
expandedHeight
2.0
3.0
4.x
apiFramework
2.0
3.0
4.x
adSlotId
-
3.0
4.x
pxratio
-
-
4.x
renderingMode
-
-
4.x
/StaticResource
2.0
3.0
4.x
creativeType
2.0
3.0
4.x
/IFrameResource
2.0
3.0
4.x
/HTMLResource
2.0
3.0
4.x
/AdParameters
2.0
3.0
4.x
xmlEncoded
-
3.0
4.x
/AltText
2.0
3.0
4.x
/CompanionClickThrough
2.0
3.0
4.x
/CompanionClickTracking
-
3.0
4.x
id
-
3.0
4.x
/TrackingEvents
2.0
3.0
4.x
/Tracking
2.0
3.0
4.x
event
2.0
3.0
4.x
VAST Error Codes
-
Version Support
100
-
3.0
4.x
101
-
3.0
4.x
102
-
3.0
4.x
200
-
3.0
4.x
201
-
3.0
4.x
202
-
3.0
4.x
203
-
3.0
4.x
204
-
-
4.x
205
-
-
4.x
206
-
-
4.x
300
-
3.0
4.x
301
-
3.0
4.x
302
-
3.0
4.x
303
-
3.0
4.x
304
-
-
4.x
400
-
3.0
4.x
401
-
3.0
4.x
402
-
3.0
4.x
403
-
3.0
4.x
405
-
3.0
4.x
406
-
-
4.x
407
-
-
4.x
408-
-
4.x
409
-
-
4.x
410
-
-
4.x
411
-
-
4.x
500
-
3.0
4.x
501
-
3.0
4.x
502
-
3.0
4.x
503
-
3.0
4.x
600
-
3.0
4.x
601
-
3.0
4.x
602
-
3.0
4.x
603
-
3.0
4.x
604
-
3.0
4.x
900
-
3.0
4.x
901
-
3.0
4.x
902
-
-
4.x
VAST Macros
Macro Type
Version Support
[TIMESTAMP]
Generic Macros
-
-
4.x
[CACHEBUSTING]
Generic Macros
-
3.0
4.x
[CONTENTPLAYHEAD]Ad Break Info-
3.04.x
[MEDIAPLAYHEAD]
Ad Break Info
-
-
4.x
[BREAKPOSITION]
Ad Break Info
-
-
4.x
[BLOCKEDADCATEGORIES]
Ad Break Info
-
-
4.x
[ADCATEGORIES]
Ad Break Info
-
-
4.x
[ADCOUNT]
Ad Break Info
-
-
4.x
[TRANSACTIONID]
Ad Break Info
-
-
4.x
[PLACEMENTTYPE]
Ad Break Info
-
-
4.x
[ADTYPE]
Ad Break Info
-
-
4.x
[UNIVERSALADID]
Ad Break Info
-
-
4.x
[BREAKMAXDURATION]
Ad Break Info
-
-
4.x
[BREAKMINDURATION]
Ad Break Info
-
-
4.x
[BREAKMAXADS]
Ad Break Info
-
-
4.x
[BREAKMINADLENGTH]
Ad Break Info
-
-
4.x
[BREAKMAXADLENGTH]
Ad Break Info
-
-
4.x
[IFA]
Client Info
-
-
4.x
[IFATYPE]
Client Info
-
-
4.x
[CLIENTUA]
Client Info
-
-
4.x
[SERVERUA]
Client Info
-
-
4.x
[DEVICEUA]
Client Info
-
-
4.x
[SERVERSIDE]
Client Info
-
-
4.x
[DEVICEIP]
Client Info
-
-
4.x
[LATLONG]
Client Info
-
-
4.x
[DOMAIN]
Publisher Info
-
-
4.x
[PAGEURL]
Publisher Info
-
-
4.x
[APPBUNDLE]
Publisher Info
-
-
4.x
[VASTVERSIONS]
Capabilities Info
-
-
4.x
[APIFRAMEWORKS]
Capabilities Info
-
-
4.x
[EXTENSIONS]
Capabilities Info
-
-
4.x
[VERIFICATIONVENDORS]
Capabilities Info
-
-
4.x
[OMIDPARTNER]
Capabilities Info
-
-
4.x
[MEDIAMIME]
Capabilities Info
-
-
4.x
[PLAYERCAPABILITIES]
Capabilities Info
-
-
4.x
[CLICKTYPE]
Capabilities Info
-
-
4.x
[PLAYERSTATE]
Player State Info
-
-
4.x
[INVENTORYSTATE]
Player State Info
-
-
4.x
[PLAYERSIZE]
Player State Info
-
-
4.x
[ADPLAYHEAD]
Player State Info
-
-
4.x
[ASSETURI]
Player State Info
-
3.0
4.x
[CONTENTID]
Player State Info
-
-
4.x
[CONTENTURI]
Player State Info
-
-
4.x
[PODSEQUENCE]
Player State Info
-
-
4.x
[ADSERVINGID]
Player State Info
-
-
4.x
[CLICKPOS]
Click Info
-
-
4.x
[ERRORCODE]
Error Info
-
3.0
4.x
[REASON]
Verificaion Info
-
-
4.x
[LIMITADTRACKING]
Regulation Info
-
-
4.x
[REGULATIONS]
Regulation Info
-
-
4.x
[GDPRCONSENT]
Regulation Info
-
-
4.x
VAST Tracking Events
Metric Type
Version Support
mute
Player Operation
2.0
3.0
4.x
unmute
Player Operation
2.0
3.0
4.x
pause
Player Operation
2.0
3.0
4.x
resume
Player Operation
2.0
3.0
4.x
rewind
Player Operation
2.0
3.0
4.x
skip
Player Operation
-
3.0
4.x
fullscreenPlayer Operation2.03.0-
exitFullscreenPlayer Operation-
3.0-
playerExpand
Player Operation
-
-
4.x
playerCollapse
Player Operation
-
-
4.x
notUsed
Player Operation
-
-
4.x
loaded
Linear Ad
-
-
4.x
start
Linear Ad
2.0
3.0
4.x
firstQuartile
Linear Ad
2.0
3.0
4.x
midpoint
Linear Ad
2.0
3.0
4.x
thirdQuartile
Linear Ad
2.0
3.0
4.x
complete
Linear Ad
2.0
3.0
4.x
otherAdInteraction
Linear Ad
-
-
4.x
progress
Linear Ad
-
3.0
4.x
closeLinear
Linear Ad
-
3.0
4.x
acceptInvitationLinearLinear Ad-
3.04.x
timeSpentViewingLinear Ad-
-
4.x
creativeView
NonLinear Ad
2.0
3.0
4.x
acceptInvitation
NonLinear Ad
2.0
3.0
4.x
expandNonLinear Ad2.03.0-
collapseNonLinear Ad2.03.0-
adExpand
NonLinear Ad
-
-
4.x
adCollapse
NonLinear Ad
-
-
4.x
minimize
NonLinear Ad
-
-
4.x
close
NonLinear Ad
2.0
3.0
4.x
overlayViewDuration
NonLinear Ad
-
-
4.x
otherAdInteraction
NonLinear Ad
-
-
4.x
creativeView
Companion Ad
2.0
3.0
4.x
interactiveStart
Interactive Ad
-
-
4.x
verificationNotExecuted
Verification
-
-
4.x