PBS video impression tracking #1015

bretg · 2019-08-28T04:09:06Z

As a followup to the event tracking issue #800, we're ready to implement the injection of additional tracking into VAST XML. Initially this is just to count impressions, but will be expanded to additional video events at some point. There are two scenarios, both of which are required and could be happening at the same time:

Server-side VAST - this scenario covers the video XML is returned in the response from a server-side adapter. If that bidder allows PBS to modify their VAST, the server then injects an tag into the VAST, pointing to a prebid server event string, and then caches the modified results.

Here's a flow diagram showing how tracking will work. Changed items are in red.

Client-side VAST - this scenario occurs when the video XML is returned in the response from a client-side adapter. PBJS forwards the XML to PBS on a new endpoint that instructs PBS to update the XML and cache it. If that bidder allows PBS to modify their VAST, the server then injects an tag into the VAST, pointing to a prebid server event string, caches the modified results and responds to the client.

Proposed modifications

Add a new bidder-level flag in PBS that allows a given bidder to turn off our ability to modify their VAST. e.g. if bidderA doesn't want us to modify their VAST, the host company won't have complete analytics.

We propose a new bidder configuration property modifyingVastXmlAllowed, with the default being false.

When PBS receives VAST from each bidder, it checks the bidder flag and whether the account supports events. If so, it inserts an <impression> tag before storing to PBC

The contents of the <impression> tag are pulled from a new event.url-template property that has macros that need to be resolved. e.g.

event:
    url-template: "/event?t=imp&b=%s&f=b&a=%s"

where b=BIDID, a=ACCOUNT

Algorithm for updating the VAST. (originally this was over-simplified. Changed May 13, 2021)

Scan the 'adm' on video bids:

If adm contains <InLine> (case insensitive), it's "Inline.
Otherwise, if adm contains <Wrapper> (case-insensitive), it's a "wrapper".
Otherwise if adm is not empty but doesn't contain either Inline or Wrapper, don't modify the results.
Otherwise if adm is empty and nurl is present, create a VAST wrapper:

<VAST version=\"3.0\"><Ad><Wrapper>
<AdSystem>prebid.org wrapper</AdSystem>
<VASTAdTagURI><![CDATA[" + bidNurl + "]]></VASTAdTagURI>
<Creatives></Creatives>
</Wrapper></Ad></VAST>

Otherwise if neither adm nor nurl are present, it's an invalid video bid.

Once we know what type of VAST is present:

Inline VAST - search for <Impression>. Add PBS Impression tag(s) after existing tag. If no <impression> tag is found, it's an unexpected error and this VAST is suspicious. Don't add any PBS Impression tags.
Wrappers
- Look for an impression pixel on the Wrapper
- If impression pixel present, insert <Impression> tags at the same level
- If impression not present, refer the xsd (for VAST version in the declaration) and find the parent element for impression pixels. Add the impression pixels one level below the parent element
- If parent element not present, reject the VAST and the corresponding bid.
VAST URL - create a PBS-generated wrapper that includes one or more Impression tags.

Client-Side VAST Caching, including PBJS changes

Unlike server-side video, the VAST XML coming into the browser didn't go through Prebid Server, so will not have the tracking strings added. Prebid.js has configuration that allows the publisher to initiate "client-side caching". In order to modify the VAST XML, the page will refer to a new end point on Prebid Server that will perform the same modifications as if it had come through the server.

pbjs.setConfig({
    cache: {
        url: "https://prebid-server.rubiconproject.com/vtrack?a=ACCOUNT",
        vasttrack: true
    }
});

Where /vtrack is a new endpoint that causes the request to go to PBS where the steps 1-3 above will be applied.

If the vasttrack parameter is true, Prebid.js will add a couple of parameters to the POST XML to the specified endpoint with this JSON

{"puts":[{
    "bidid": BIDID,             // new parameter
    "bidder": "BIDDER",    // new parameter
    "type":"xml",
    "value":"<VAST…/VAST>",
    "ttlseconds":3600
}]}

PBS doesn't currently have a /vtrack endpoint -- we shouldn't use /cache because PBC implements that one. The new endpoint would use a similar code path as for server-side VAST:

parse the posted VAST and pull out the bidid and bidders parameters
use the bidid and the account id to create the additional field in the VAST
POST the modified VAST to Prebid Cache, wait for the results from PBC, and forward them to the client. e.g. {"responses":[{"uuid":"94531ab8-c662-4fc7-904e-6b5d3be43b1a"}]}

PBS should validate the arguments supplied with /vtrack: if ACCOUNT, BIDID, or BIDDER aren't supplied, it should reject the /vtrack request with 400. This should get caught when the page is being tested.

If the ACCOUNT doesn't exist and PBS is enforcing accounts, that should also result in a 400.

PBS will process /vtrack similar to the server-side VAST response, inserting impression tracking when:

account ID allows events
the bidder allows VAST modification

Closed Item:

We could combine the "/vtrack" into "/cache" but that could make load balancer configuration more complicated. We discussed in the PBS meeting last week and agreed a separate endpoint is the way to go.

The text was updated successfully, but these errors were encountered:

bretg · 2019-08-28T15:28:30Z

For load balancer reasons, I'm starting to prefer a separate endpoint /vtrack.

rpanchyk · 2019-08-29T13:27:01Z

Hi @bretg !
From PBS configuration point of view i propose to use instead of

events:
    urltemplate: "https://prebid-server.rubiconproject.com/event?t=imp&b=%s&f=b&a=%s"

event:
    url-template: "/event?t=imp&b=%s&f=b&a=%s"

So, the changes:

prefix for the property - event.* since PBS-Java has /event endpoint, so can be more acceptable.
name for the property - url-template to be more readable.
value for the property - includes path with query string since both PBS-Go and PBS-Java has ExternalURL configuration property, so it can be simply joined to obtain full url.

bretg · 2019-09-03T14:01:48Z

Thanks @rpanchyk - updated.

bretg · 2019-09-08T13:20:23Z

Discussed and approved in PBS PMC

bretg · 2019-11-08T17:20:04Z

This is done in PBS-Java. Assigning to @hhhjort for PBS-Go implementation.

bretg · 2020-08-11T16:29:28Z

For the record, here are the PBS-Java PRs that implemented events:

prebid/prebid-server-java#296
prebid/prebid-server-java#298
prebid/prebid-server-java#302 (partially)
prebid/prebid-server-java#403
prebid/prebid-server-java#436
prebid/prebid-server-java#437
prebid/prebid-server-java#450
prebid/prebid-server-java#459 (refactoring)
prebid/prebid-server-java#635
prebid/prebid-server-java#654
prebid/prebid-server-java#804 (doc)

SyntaxNode · 2020-10-16T19:25:52Z

This is largely complete in PBS-Go. @laurb9 noted two remaining things to implement:

wurl insertion in bids
VAST rewriting when pbs caches

@danielguedesb Are you able to continue contributing to add those areas of functionality?

laurb9 · 2020-11-12T23:46:41Z

This older ticket did not define the entire functionality needed for events and I can't find another one that does (edit: or maybe #1470 ), so I will add it here from https://docs.google.com/document/d/1ry0X4C2EV-R0pMrm1IQk9BstxaT395UCl3KKqTGa5c8/edit# so we are all on the same page. Let me know if this should be another ticket. I'm starting work on this.

If the account doesn't support events, we're done - no need for any type of event logic.
Otherwise, if the bid request was video and the response is VAST XML:
1. If we're allowed to modify the bidder's VAST, then inject an tag with this URL -- https://PBS_HOST/event?t=imp&b=BIDID&f=b&a=ACCOUNT&ts=TIMESTAMP&bidder=BIDDER&int=INTEGRATION
2. If ext.prebid.cache.vastXml is specified, then cache the VAST in PBS
else // not video
1. If bid caching is turned on (ext.prebid.cache.bids)
  1. If the event configuration is on for this account/channel combination or if the ext.prebid.events object is defined in the original request, then add wurl to bids cached in PBC.
    URL is https://PBS_HOST/event?t=win&b=BIDID&f=i&a=ACCOUNT&ts=TIMESTAMP&bidder=BIDDER&int=INTEGRATION
  2. else if it's a PG bid, then add wurl to bids cached in PBC but with x=0
    https://PBS_HOST/event?t=win&b=BIDID&f=i&a=ACCOUNT&ts=TIMESTAMP&bidder=BIDDER&int=INTEGRATION&x=0
2. Finally, consider setting seatbid[].bid[].ext.prebid.events.win and seatbid[].bid[].ext.prebid.events.imp
  1. If the event configuration is on for this account/channel combination or if the ext.prebid.events object is defined in the original request, then add response.seatbid[].bid[].ext.prebid.events.{win,imp} to the openrtb output -- https://PBS_HOST/event?t=win&b=BIDID&f=i&a=ACCOUNT&ts=TIMESTAMP&bidder=BIDDER&int=INTEGRATION and https://PBS_HOST/event?t=imp&b=BIDID&f=i&a=ACCOUNT&ts=TIMESTAMP&bidder=BIDDER&int=INTEGRATION
  2. else if it's a PG bid, then add response.seatbid[].bid[].ext.prebid.events.{win,imp} to the openrtb output -- https://PBS_HOST/event?t=win&b=BIDID&f=i&a=ACCOUNT&ts=TIMESTAMP&bidder=BIDDER&int=INTEGRATION&x=0 and https://PBS_HOST/event?t=imp&b=BIDID&f=i&a=ACCOUNT&ts=TIMESTAMP&bidder=BIDDER&int=INTEGRATION&x=0

SyntaxNode · 2020-11-13T06:19:53Z

Let me know if this should be another ticket.

I think we're good with continuing the discussion here.

I'm starting work on this.

Sweet. Thank you.

laurb9 · 2020-11-24T19:11:06Z

I've implemented most of the logic in #1597 . The goal was to get the unit tests to a point where we can validate the behavior, then do some refactoring. Some of the tests are currently failing in a non-significant way because of timestamp mismatch (until #1584 is merged) but are covering the behavior we need.

I see a few differences between what PBS-Java does and the algorithm above:

Only the cached VAST is modified, the VAST returned in adm field is not, in returned or cached bids. Is this intentional ? I have copied this behavior in the PR above.
bid caching and vast modification are not exclusive as the else above suggests. PBS-Java will change both VAST and cached bids if enabled. This made sense to me, so that's what I did too.
PBS-Java adds wurl to cached bid if both account and request enabled it. The algorithm says either suffices, I implemented the algo.
int (integration) does not get a value, so I didn't add it yet.

bsardo · 2020-12-07T16:13:12Z

Let's discuss the revised algorithm presented by @laurb9 above at the prebid.org committee meeting this Friday.

bretg · 2020-12-07T18:06:11Z

Only the cached VAST is modified, the VAST returned in adm field is not, in returned or cached bids. Is this intentional ? I have copied this behavior in the PR above.

The algorithm says "If ext.prebid.cache.vastXml is specified, then cache the VAST in PBS. Otherwise, just return the modified VAST." So this is a PBS-Java bug. Opened an internal ticket to resolve. Heads up @rpanchyk

However, I did notice that the algorithm summary didn't check that events were enabled for video before adding the tag. Updated to note that "If events are enabled for this account". See https://docs.google.com/document/d/1ry0X4C2EV-R0pMrm1IQk9BstxaT395UCl3KKqTGa5c8/edit#

bid caching and vast modification are not exclusive as the else above suggests. PBS-Java will change both VAST and cached bids if enabled. This made sense to me, so that's what I did too.

Algorithm summary fixed.

PBS-Java adds wurl to cached bid if both account and request enabled it. The algorithm says either suffices, I implemented the algo.

Another PBS-Java ticket opened to confirm. Thanks.

int (integration) does not get a value, so I didn't add it yet.

Integration is defined in #1428

laurb9 · 2020-12-07T19:44:36Z

The algorithm says "If ext.prebid.cache.vastXml is specified, then cache the VAST in PBS. Otherwise, just return the modified VAST." So this is a PBS-Java bug.

I'm going to work on updating the VAST everywhere in #1597 as well, in that case. To do that, I think I might need some clarification on expected behavior for the case below:

when bid.adm is empty, PBS-Go makes up a VAST with <VASTAdTagURI><![CDATA[' + bid.NURL + ']]></VASTAdTagURI> just for VAST cache, but it still caches and returns the bid with empty adm.

What should happen when events are enabled and bid.adm is empty ? I feel should generate the VAST, include the Impression events and return the same VAST everywhere (vast, cached bid, returned bid). That is inconsistent with the above behavior, so maybe we should return the same thing all the time, generated or not ?

laurb9 · 2020-12-09T00:48:50Z

More questions:

Should ext.prebid.events and vast rewriting apply to:

only on winning bids and only when targeting is enabled ? (current implementation)
only on winning bids always ?
all bids ?
other ?

bretg · 2020-12-11T22:50:21Z

Thanks for pushing this @laurb9 - this is quite intricate. I've revised (somewhat heavily) the Events doc. I don't think the algorithm has changed much, but trying to structure to document to make the various constraints more clear.

Added requirements section for Prebid Server VAST support
Clarified the scenario of empty bidresponse.adm when bidresponse mediatype is video: create the wrapper and treat it like VAST that was returned from the bidder.
Make the request.ext.prebid.events object consistent and work for VAST as well as banner/native.
Updated Prebid Server algorithm to support multi-format requests. Defined how to tell if a bidresponse is mediatype video.
Not returning seatbid[].bid[].imp[].ext.prebid.events for video
Specified that injecting the VAST impression tag should happen for all bidresponses returned to the client, not just the highest CPM. We don't know for sure which one the client will use.
Added references to the already-existing ext.prebid.cache.vastxml.returnCreative option. It had not previously been part of this doc because it's not directly related to events, but adding it here provides clarity to how it relates to VAST processing.

So specifically answering your questions:

What should happen when events are enabled and bid.adm is empty ?
I agree with you: generate the wrapper and operate as if that wrapper is what had come from the bidder in the first place.

Should ext.prebid.events and vast rewriting apply to
#3, because we always return all bidresponses and don't know for sure which one will be chosen by the client.

@rpanchyk - while researching this in PBS-Java code, I reviewed the "analytics_config" database column as implemented and have questions.

what is the format of this DB field? Based on a brief tour in the code, I believe it an example would be:

{"auction-events": {"amp": true, "app": true, "web": true}}

But our database refers to auction_events -- note the underscore rather than the dash. Which is correct?

Does the auction-events JSON also define the win and imp events? i.e. are all 3 types of events tied together? It appears so.

rpanchyk · 2020-12-15T12:04:14Z

hi, @bretg

"auction-events" is the name PBS expects in DB.
bid.ext.prebid.events.{win,imp} is added to response only if account has enabled events AND incoming request allows events (defined appropriate channel OR has ext.prebid.events field).

laurb9 · 2020-12-15T17:59:10Z

Thank you @bretg and @rpanchyk for the updates. I'm working on implementing the changes and updating the PR.

laurb9 · 2020-12-15T22:07:48Z

I've tried to make a truth table to clarify some of the situations. How does this look ?

bidType == video	account events	account events channel	ext prebid events	bid ~~dealID~~ is PG	bidder vastEnable	vast modify	bid ext prebid events	bid.wurl, if caching
✅	✅			❌	✅	✅	❌	❌
✅	✅			✅	✅	✅	❌	❌	x=0
✅	❌			✅	✅	✅	❌	❌	x=0
✅					❌	❌	❌	❌
✅	❌			❌		❌	❌	❌
❌	✅	✅				❌	✅	✅
❌	✅		✅			❌	✅	✅
❌	✅	❌	❌	✅		❌	✅	✅	x=0
❌	❌			✅		❌	✅	✅	x=0
❌	❌			❌		❌	❌	❌

laurb9 · 2020-12-16T18:05:27Z

@bretg I've had a few more questions while working on adding the unit tests based on the truth table above:

from doc

Make the request.ext.prebid.events object consistent and work for VAST as well as banner/native.

I do not see where this happened, maybe I am looking at a cached doc version ? request.ext.prebid.events only impacts non-video bids as far as I can tell.

from the doc

Video impression Events - always generated if events are enabled for the account

I assume that is a qualified "always" because of this in the algorithm

If we're allowed to modify the bidder's VAST

How do we define a PG bid ? bid.dealID being set ?
What is LINEID ? Is it the GAM lineitem (imp.ID), the bid.dealID or something else ?
from the doc

PG always needs to get notified about bidsWon in order to pace.

Does this override the account settings ? Should this be host-controlled, if they implemented pacing in some way since it's not part of PBS ?

In what scenarios should request (.ext.prebid.events) override account (.events_enabled) ? Because PBS will receive events for an account that has events disabled, and that can be confusing.

- all bids have vast modified if account and bidder enabled, not just winning - all NON-VIDEO bids have events if account or request enabled - all cached NON-VIDEO bids have wurl patched in if account or request enabled. prebid#1015 (comment)

prebid#1015 (comment) - all VIDEO bids, cached and returned, have modified VAST if account and bidder enabled - not just winning cached bids. - all NON-VIDEO returned bids have `ext.prebid.events` if account or request enabled - all cached NON-VIDEO bids have `wurl` patched in if account or request enabled.

laurb9 · 2020-12-16T23:33:27Z

I've updated the PR to what I think is a potentially releasable functionality. I see exchange code is a refactor target, so I'd like to defer the additional PG and channels functionality as an incremental update for later, to avoid more PR conflicts

- Add validation for Video bids. `bid.adm` or `bid.nurl` needs to be present - This case now, is not possible `<VASTAdTagURI><![CDATA[null]]></VASTAdTagURI>` - Bid adm will be updated as cache. (see prebid/prebid-server#1015) - Bid type is defined by bidder, not our (`imp.video != null`, etc) checks. For example Appnexus use `bid.ext.appnexus.bid_ad_type` to define it. (that's why there are a lot of changed cache jsons. Also add ordering for tests) Refactored a bit. - Removed confusing maps - Removed confusing checks - Removed several imp to bid matching Possible improvements (in another ticket bc current PR is too large) - Extract more event URL to another class - Use bidInfo in BidResponseCreator for BidResponse

bretg · 2020-12-21T20:29:23Z

@laurb9 - created a somewhat modified version of your truth table at the bottom of https://docs.google.com/document/d/1ry0X4C2EV-R0pMrm1IQk9BstxaT395UCl3KKqTGa5c8/edit# . The only comment for your version:

The "bid dealID" column should be "bid is PG". PBS-Go doesn't support Programmatic Guaranteed so you don't need to worry about those cases.

Responding to questions in your comment:

request.ext.prebid.events only impacts non-video bids as far as I can tell

right - that was the original set up -- the proposal here is that request.ext.prebid.events overrides the server account event/analytics config for video as well as banner/native.

assume that is a qualified "always"

Removed the word "always".

How do we define a PG bid ? bid.dealID being set ?

What is LINEID ? Is it the GAM lineitem (imp.ID), the bid.dealID or something else ?

from the doc

PG not supported in PBS-Go.

In what scenarios should request (.ext.prebid.events) override account (.events_enabled) ? Because PBS will receive events for an account that has events disabled, and that can be confusing.

The idea is that request.ext.prebid.events is a request-level override to the server-side config.

defer the additional PG and channels functionality as an incremental update for later, to avoid more PR conflicts

PG may not be built in PBS-Go. That would be a fairly major effort and ought to be driven by demand for the feature.

Channels -- PBS-Java has new account level "analytics_config" that defines analytics on a per-channel basis. Unfortunately I don't think the JSON attribute very well named. Currently it's "auction-events", but it's really more a generic flag for analytics support by channel. Will open a separate discussion on whether we want to make changes there. #1470

VAST is modified if *either* account or request setting demanded it. prebid#1015 (comment)

laurb9 · 2021-01-06T19:10:07Z

I updated the code and tests so ext.prebid.events is sufficient to trigger VAST modification as well as banner events response.
I've left out the channels and PG.

Please review the unit tests at
exchange/exchangetest/events-bid-account-off-request-off.json
exchange/exchangetest/events-bid-account-off-request-on.json
exchange/exchangetest/events-bid-account-on-request-off.json
exchange/exchangetest/events-vast-account-off-request-off.json
exchange/exchangetest/events-vast-account-off-request-on.json
exchange/exchangetest/events-vast-account-on-request-off.json

cached wurl tests are in
exchange/eventscachetest

SyntaxNode · 2021-01-21T04:55:57Z

@laurb9 We've merged your events PR. Would you say that PBS-Go now implements this feature or are there still gaps?

laurb9 · 2021-01-23T01:32:00Z

Out of the things specced in the document, we are only missing PG and integration channels.

PG was said to be not implemented yet in PBS-Go, so that part can be added when PG functionality is worked on.

Integration channels: PBS-Go has a per-account enable flag for events. PBS-Java has that, plus three additional subflags that can control it for amp, app and web individually for each account if set. This was mentioned here. This, I have not implemented because I was left the impression that channel mapping needed further discussion (#1428, #1470), and the channel wasn't readily available in the auction for me to use.

* Add modifying of VAST for video bids and add validation - Add validation for Video bids. `bid.adm` or `bid.nurl` needs to be present - This case now, is not possible `<VASTAdTagURI><![CDATA[null]]></VASTAdTagURI>` - Bid adm will be updated as cache. (see prebid/prebid-server#1015) - Bid type is defined by bidder, not our (`imp.video != null`, etc) checks. For example Appnexus use `bid.ext.appnexus.bid_ad_type` to define it. (that's why there are a lot of changed cache jsons. Also add ordering for tests) Refactored a bit. - Removed confusing maps - Removed confusing checks - Removed several imp to bid matching Possible improvements (in another ticket bc current PR is too large) - Extract more event URL to another class - Use bidInfo in BidResponseCreator for BidResponse * Merged master and fixed corresponding imp can't be null * Fix after review. (without changing localhost/event) * Use placeholders in test resources instead of concrete urls where possible (#1084) * Fix tests and remove ordering * Replace usage of Wiremock EqualToJsonPattern with custom implementation to prevent incorrect json comparison * fix openx * Use equalToBidCacheRequest for consistency and add openrtbCacheDebugComparator() when debug is used (fix flaky tests) * Remove redundant code Co-authored-by: Sergii Chernysh <[email protected]> Co-authored-by: rpanchyk <[email protected]>

bretg · 2021-05-13T14:00:10Z

Updated VAST updating algorithm

* Add modifying of VAST for video bids and add validation - Add validation for Video bids. `bid.adm` or `bid.nurl` needs to be present - This case now, is not possible `<VASTAdTagURI><![CDATA[null]]></VASTAdTagURI>` - Bid adm will be updated as cache. (see prebid/prebid-server#1015) - Bid type is defined by bidder, not our (`imp.video != null`, etc) checks. For example Appnexus use `bid.ext.appnexus.bid_ad_type` to define it. (that's why there are a lot of changed cache jsons. Also add ordering for tests) Refactored a bit. - Removed confusing maps - Removed confusing checks - Removed several imp to bid matching Possible improvements (in another ticket bc current PR is too large) - Extract more event URL to another class - Use bidInfo in BidResponseCreator for BidResponse * Merged master and fixed corresponding imp can't be null * Fix after review. (without changing localhost/event) * Use placeholders in test resources instead of concrete urls where possible (#1084) * Fix tests and remove ordering * Replace usage of Wiremock EqualToJsonPattern with custom implementation to prevent incorrect json comparison * fix openx * Use equalToBidCacheRequest for consistency and add openrtbCacheDebugComparator() when debug is used (fix flaky tests) * Remove redundant code Co-authored-by: Sergii Chernysh <[email protected]> Co-authored-by: rpanchyk <[email protected]>

AlexBVolcy · 2022-07-20T20:17:30Z

This issue will be closed, as everything requested here has been implemented besides PG. And since PG is a big feature, we decided to branch that off into it's own issue #2312

bretg self-assigned this Aug 28, 2019

bretg added the Intent to implement An issue describing a plan for a major feature. These are intended for community feedback label Aug 28, 2019

rpanchyk mentioned this issue Sep 4, 2019

Add impression tracking to VAST (Server-Side) prebid/prebid-server-java#437

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DGarbar mentioned this issue Sep 13, 2019

Vtrack endpoint prebid/prebid-server-java#455

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rpanchyk mentioned this issue Sep 19, 2019

Change /vtrack endpoint for updated requirements prebid/prebid-server-java#466

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bretg mentioned this issue Oct 11, 2019

Support Vast Track prebid/Prebid.js#4276

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bretg assigned hhhjort and unassigned bretg Nov 8, 2019

bretg mentioned this issue Jan 22, 2020

Prebid Server generated bidId #1171

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bretg mentioned this issue Mar 19, 2020

add missing addWinningBid logic to instream + adpod video bids prebid/Prebid.js#4783

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laurb9 mentioned this issue Jul 14, 2020

Account configuration and validation #1395

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Vtrack and event endpoints #1467

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SyntaxNode mentioned this issue Sep 12, 2020

win rate #1416

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laurb9 mentioned this issue Nov 13, 2020

Add timestamp to analytics and response.ext.prebid.auctiontimestamp l… #1584

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Refactored HoldAuction Arguments #1570

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This was referenced Nov 24, 2020

Adding Events support in bid responses #1597

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Adding Events support in bid responses (WIP) PBID-414, PBID-413, PBID-958 openx/prebid-server#10

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DGarbar mentioned this issue Dec 18, 2020

Add modifying of VAST for video bids and add validation prebid/prebid-server-java#1081

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laurb9 added a commit to openx/prebid-server that referenced this issue Jan 6, 2021

ext.prebid.events now overrides server config

6377bd0

VAST is modified if *either* account or request setting demanded it. prebid#1015 (comment)

laurb9 mentioned this issue Jan 23, 2021

Stored Request A/B testing support for PBS #1645

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PBS - Provision for Injecting Video Event Trackers #1725

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Integration Type Implementation #2111

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Implement Programmatic Guaranteed (PG) #2312

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Support GET on the /vtrack endpoint #3629

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PBS video impression tracking #1015

PBS video impression tracking #1015

bretg commented Aug 28, 2019 •

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bretg commented Aug 28, 2019

rpanchyk commented Aug 29, 2019 •

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bretg commented Sep 3, 2019

bretg commented Sep 8, 2019

bretg commented Nov 8, 2019

bretg commented Aug 11, 2020

SyntaxNode commented Oct 16, 2020

laurb9 commented Nov 12, 2020 •

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SyntaxNode commented Nov 13, 2020

laurb9 commented Nov 24, 2020 •

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bsardo commented Dec 7, 2020

bretg commented Dec 7, 2020

laurb9 commented Dec 7, 2020 •

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laurb9 commented Dec 9, 2020 •

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bretg commented Dec 11, 2020 •

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rpanchyk commented Dec 15, 2020

laurb9 commented Dec 15, 2020

laurb9 commented Dec 15, 2020 •

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laurb9 commented Dec 16, 2020

laurb9 commented Dec 16, 2020

bretg commented Dec 21, 2020

laurb9 commented Jan 6, 2021

SyntaxNode commented Jan 21, 2021

laurb9 commented Jan 23, 2021 •

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bretg commented May 13, 2021

AlexBVolcy commented Jul 20, 2022

PBS video impression tracking #1015

PBS video impression tracking #1015

Comments

bretg commented Aug 28, 2019 • edited Loading

Proposed modifications

bretg commented Aug 28, 2019

rpanchyk commented Aug 29, 2019 • edited Loading

bretg commented Sep 3, 2019

bretg commented Sep 8, 2019

bretg commented Nov 8, 2019

bretg commented Aug 11, 2020

SyntaxNode commented Oct 16, 2020

laurb9 commented Nov 12, 2020 • edited Loading

SyntaxNode commented Nov 13, 2020

laurb9 commented Nov 24, 2020 • edited Loading

bsardo commented Dec 7, 2020

bretg commented Dec 7, 2020

laurb9 commented Dec 7, 2020 • edited Loading

laurb9 commented Dec 9, 2020 • edited Loading

bretg commented Dec 11, 2020 • edited Loading

rpanchyk commented Dec 15, 2020

laurb9 commented Dec 15, 2020

laurb9 commented Dec 15, 2020 • edited Loading

laurb9 commented Dec 16, 2020

laurb9 commented Dec 16, 2020

bretg commented Dec 21, 2020

laurb9 commented Jan 6, 2021

SyntaxNode commented Jan 21, 2021

laurb9 commented Jan 23, 2021 • edited Loading

bretg commented May 13, 2021

AlexBVolcy commented Jul 20, 2022

bretg commented Aug 28, 2019 •

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rpanchyk commented Aug 29, 2019 •

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laurb9 commented Nov 12, 2020 •

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laurb9 commented Nov 24, 2020 •

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laurb9 commented Dec 7, 2020 •

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laurb9 commented Dec 9, 2020 •

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bretg commented Dec 11, 2020 •

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laurb9 commented Dec 15, 2020 •

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laurb9 commented Jan 23, 2021 •

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