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Note The XML summary response should meet the VAST 2.0 specs. VAST 2.0 or higher is supported. Learn more about VAST 2.0
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| Element | Attributes | Values | Required | Supported | Notes |
|---|---|---|---|---|---|
| VAST | Root node | Yes | Yes | ||
| version | String (2.0 and above) | Yes | Yes | Must support 2.0 and above | |
| - Ad | id - unique identifier | String | Yes | Yes | Top-level element wraps each ad in the response |
| -- InLine | None | None | Yes | Yes | Second-level element surrounding complete ad data for a single ad |
| --- AdSystem | Company Node Name | String | Yes | Yes | Indicates source ad server |
| version | String | Preferred | Yes | Internal version used by ad system | |
| --- AdTitle | None | String | No | Yes | Common name of ad |
| --- Description | None | String | No | Yes | Longer description of ad |
| --- Survey | None | URI | No | No | URI of request to survey vendor (Google will only support research tracking pixels. This can be implemented under the In-Line node as a Impression element.) |
| --- Error | None | URI | No | Yes | URI to request if ad does not play due to error (Google will only execute a request to the URI upon error but does not have the ability to pass additional error information.) |
| --- Impression | None | URI | Yes | Yes | URI to track impression |
| --- Creatives | None | None | Yes | Yes | Container for one or more Creative elements |
| ---- Creative | Yes | Yes | Wraps each creative element | ||
| id | String | No | Yes | Optional identifier | |
| sequence | Integer | No | Yes | The preferred order in which multiple Creatives should be displayed | |
| AdID | String | No | Yes | Ad-ID for the creative (formerly ISCI) | |
| ----- Linear | Yes | Yes | |||
| ------ Duration | None | Time | Yes | Yes | |
| ------ TrackingEvents | No | No | |||
| ------- Tracking | URI | No | No | URI to track various events during playback | |
| event | creativeView, start, firstQuartile, midpoint, thirdQuartile, complete, mute, unmute, pause, rewind, resume, fullscreen, expand, collapse, acceptInvitation, close |
Yes (only for start, firstQuartile, midpoint, thirdQuartile, complete, mute, unmute, pause, resume, skip [if skippable in-stream]) | Yes (only for start, firstQuartile, midpoint, thirdQuartile, complete, mute, unmute, pause, resume, skip [if skippable in-stream]) | The name of the event to track for the Linear element. The creativeView should always be requested when present. | |
| ------ AdParameters | String | No | No | Data to be passed into the video ad. | |
| ------ VideoClicks | Yes | Yes | |||
| ------- ClickThrough | None | URI | Yes | Yes | URI to open as destination page when user clicks on the video |
| ------- ClickTracking | URI | No | Yes | URI to request for tracking purposes when user clicks on the video | |
| ------- CustomClick | URI | No | Yes | URIs to request on custom events such as hotspotted video | |
| id | String | No | No | Optional identifier | |
| ------ MediaFiles | Yes | Yes | |||
| ------- MediaFile | URI | Yes | Yes | Location of linear file | |
| delivery | progressive | Yes | Yes | Method of delivery of ad (Streaming is not preferred by Google) | |
| type | String | Yes | Yes | MIME type (Popular MIME types is “video/x-ms-wmv” for Windows Media) | |
| bitrate | Integer | Yes | Yes | Bitrate of encoded video in Kbps | |
| width | Integer (480) | Yes | Yes | Pixel dimensions of video | |
| height | Integer (360) | Yes | Yes | Pixel dimensions of video | |
| scalable | Boolean | No | No | Whether it is acceptable to scale the image (Google does this by default.) | |
| maintainAspectRatio | Boolean | No | Yes | Google's player will always maintain the aspect ratio no matter what value is set for this attribute. | |
| apiFramework | String | No | No | The apiFramework defines the method to use for communication if the MediaFile is interactive. | |
| ----- CompanionAds | No | Yes | Companion banners are only currently supported on Google Ads. They are not currently supported on the Google Ad Manager. | ||
| ------ Companion | No | Yes | Any number of companions in any desired pixel dimensions. | ||
| id | String | No | Yes | Optional identifier | |
| width | Integer (300) | Yes (if serving companion) | Yes | Pixel dimensions of companion (we accept 300x250 and 300x60 companion banners) | |
| height | Integer (60 or 250) | Yes (if serving companion) | Yes | Pixel dimensions of companion (we accept 300x250 and 300x60 companion banners) | |
| expandedWidth | Integer | No | No | Pixel dimensions of expanding companion ad when in expanded state (expandables not allowed with In-Stream ads on Google) | |
| expandedHeight | Integer | No | No | Pixel dimensions of expanding companion ad when in expanded state (expandables not allowed with In-Stream ads on Google) | |
| apiFramework | String | No | No | The apiFramework defines the method to use for communication with the companion | |
| ------- StaticResource | URI | No | Yes | URI to a static file, such as an image or SWF file | |
| creativeType | String | Yes (if serving companion using StaticResource) | Yes | Mime type of static resource | |
| ------- IFrameResource | None | URI | No | Yes | URI source for an IFrame to display the companion element |
| ------- HTMLResource | None | CDATA | No | No | HTML to display the companion element |
| ------- JavaScriptResource | None | CDATA | No | No | JavaScript to display the companion element |
| ------- TrackingEvents | No | No | |||
| -------- Tracking | URI | No | No | URI to display the companion element | |
| event | creativeView | Yes (if serving companion) | No | The creativeView should always be requested when present. For Companions creativeView is the only supported event. | |
| ------- CompanionClickThrough | None | URI | No (yes if serving static image or flash file without hard-coded click-through) |
Yes | URI to open as destination page when user clicks on the companion (SWF creatives must comply proper casing clickTAG) |
| ------- AltText | None | String | No | Yes | Alt test to be displayed when companion is rendered in HTML environment |
| ------- AdParameters | String | No | No | Data to be passed into the companion ads | |
| ----- NonLinearAds | No | No | Not currently supported (only Linear In-Stream) | ||
| --- Extensions | No | No | |||
| ---- Extension | type | Any | No | No | Any valid XML may be included in the Extensions node. |
| - Wrapper | None | None | No | No (with exception to 2 wrappers allowed via the Google Ad Manager only) | Second-level element surrounding wrapper ad pointing to Secondary ad server |