The number of impressions with the specified dimension values where the corresponding bid request or bid response was not successful, as described by the specified callout status.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["This metric tracks unsuccessful bid requests or responses based on specific dimensions and callout statuses."],["It provides the impression count where the bid request or bid response failed alongside the reason for failure (callout status ID)."],["Data is presented with a breakdown by dimensions specified in `rowDimensions` for deeper analysis."]]],[]]