Metric

```
public final class Metric

                    
```
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 viability, click-through rate, etc. Each metric is identified by its type, reports the value of the metric, and optionally identifies the source or vendor measuring the value.

Field Summary

Fields
Modifier and Type	Field	Description
`private String`	`vendor`
`private Object`	`extension`

Constructor Summary

Constructors
Constructor	Description
`Metric(String id, Float value)`

Method Summary

Modifier and Type	Method	Description
`final String`	`getVendor()`	Source of the value using exchange curated string names which should be published to bidders a priori.
`final Unit`	`setVendor(@SerializedName(value = vendor) String vendor)`	Source of the value using exchange curated string names which should be published to bidders a priori.
`final Object`	`getExtension()`	Placeholder for exchange-specific extensions to OpenRTB.
`final Unit`	`setExtension(@SerializedName(value = ext) Object extension)`	Placeholder for exchange-specific extensions to OpenRTB.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Metric
```
Metric(String id, Float value)
```
- Method Detail
  - getVendor
```
 final String getVendor()
```
    Source of the value using exchange curated string names which should be published to bidders a priori. If the exchange itself is the source versus a third party, “EXCHANGE” is recommended.
  - setVendor
```
 final Unit setVendor(@SerializedName(value = vendor) String vendor)
```
    Source of the value using exchange curated string names which should be published to bidders a priori. If the exchange itself is the source versus a third party, “EXCHANGE” is recommended.
  - getExtension
```
 final Object getExtension()
```
    Placeholder for exchange-specific extensions to OpenRTB.
  - setExtension
```
 final Unit setExtension(@SerializedName(value = ext) Object extension)
```
    Placeholder for exchange-specific extensions to OpenRTB.