Name	Type	Description	Sample Data
AuctionId	string	Unique identifier for the auction	"90e19b84e78f436286aa4195140c2998"
EventCreatedOn	timestamp	Unix timestamp in milliseconds when the event, in this case auction, was performed	1735689600000
Bids	json	Contains all the ads that are selected to bid in the auction.	See table below.
DecisionId	string	Identifier for the decision. A distinct value is created for each `placement` object in an ADR.	"90e19b84e78f436286aa4195140c2998"
dt	string	Date partition	"2025/01/01"
FloorPriceCPC	bigint	The CPC Floor Price of the auction. Defaults to 0 if not set.	0
FloorPriceEcpm	bigint	The Floor Price of the auction (in ECPM units)	0
IsSecondPriced	boolean	Indicates if the auction uses second price	false
MinBidIncrement	boolean	Indicates the amount the winner bids over the next highest priced bid. Only for second price auction. Default is 0.01.	0.01
NetworkId	string	Identifier for the network	"12345"
PriorityId	bigint	PriorityId of the Flight that is associated with the impression	123456
PriorityType	string	The type of priority. "auction" by default. Other types are deprecated.	"auction"
RemainderPercentage	float	The remainder percentage of the priority.	0
Price	float	Price of the Flight that is associated with the impression e.g. $20.70.	20.70
RequestId	string	The ID of the request that the decision came from	"a1b2c3d4e5f6g7h8i9j0"
SecondPriceExclusion	string	If the auction is a second price auction, where the pricing exclusion rules are applied.	"advertiser"
SelectionsRequested	integer	Refers to the number of ads that is requested, sent in the placement object	5
SiteId	bigint	Identifier for the Site that the ad is selected in	1234567
UserKey	string	Key identifying the user	"ue_e8be4e08dc0345e1b94157f104a5b2ef"

Bids

AdTypeId	bigint	Type identifier for the ad	1
AdId	bigint	Identifier for the ad	123456789
AdvertiserId	bigint	Identifier for the advertiser	2325487
BurnIn	boolean	Flag indicating if the the ad is still in burn-in phase when the auction was conducted	true
CampaignId	bigint	Identifier for the campaign	123456789
ClearPriceEcpm	float	The Clear Price of the winning bid (in eCPM units). If a bid was not a candidate during the auction, the value will be null and Excluded will contain the reason.	10.1
DecisionIdx	bigint	Decision Index. If the Decision generates only one Selection (i.e. it does not originate from a multi-winner placement) then the DecisionIdx will always be 0. For multi-winner placements, the DecisionIdx will be the order of the Selection within the Decision (zero indexed).	0
Ecpm	float	Effective cost per thousand impressions at the time the bid competed in the auction.	2.50
EcpmMultiplier	integer	Value used to artificially inflate eCPM value.	4
EcpmPartition	string	Partition for eCPM if used.	"landing"
Excluded	string	The reason for the exclusion if a bid was not a candidate for the auction.	See table below.
FlightId	bigint	Identifier for the flight	123456789
IsRtb	boolean	Whether the ad originated from an RTB advertiser/bidder.`	false
Price	float	Price of the Flight that is associated with the bid e.g. $20.70.	20.70
Rank	integer	Ecpm * RelevancyScore. The bid with the highest Rank will win the auction.	1250
RateType	integer	Rate type of the Flight that is associated with the impression	1
RelevancyScore	float	Score indicating relevancy, requires passing in a relevancy score in the Ad Decision Request	500.0
RemainderWeight	integer	The likelihood that an ad will be selected as part of the Remainder Percentage. The Remainder Weight starts large and drops linearly as an ad gets more impressions. It reaches a minimum when an ad completes its burn-in impressions. Ranges from 0 to 100M.	100000000
SelectionId	bigint	Original selection identifier of the ad used in the Selection Log. Null if the ad did not win the auction.	"a1b2c3d4e5f6g7h8i9j0"
SelectedAsRemainder	boolean	Indicates if the ad was chosen as part of Remainder Percentage	true

Excluded Reasons

String	Explanation
not found	The ad did not enter the selection process at all (due to targeting rules, pacing, etc.)
not selected	The required number of winners were filled so the ad could not serve.
excluded by no-duplicates rule	The ad could not be selected because it is in conflict with a no-duplicates rule configured on another ad that was already selected for this decision. Ranges from 0 to 100M.
advertiser placement limit	This ad cannot serve because the maximum number of ads for this advertiser have already been selected for this decision.