Metric Object

This object is associated with an impression as an array of metrics. These metrics can offer insight into the impression to assist with decisioning such as average recent viewability, click-through rate, etc.

AttributeTriplelift RequiredAttributeDescription
typeyesstringType of metric being represented using exchange curated string name which should be published to bidders
valueyesfloatNumber representing the value of the metric
vendorno; recommendedstringSource of the value using exchange curated string names which should be published to bidders
extnoobjectPlaceholder for exchange-specific extensions to OpenRTB