| Ad ID | {AD_ID} | The internal ID of the ad that served |
| Name of Creative | {AD_NAME} | Name of the ad |
| Size of Creative | {AD_SIZE} | BANNER, INTER, LEADER, MREC, NATIVE, or PRELOAD |
| Type of Creative | {AD_TYPE} | APPOPEN, GRAPHIC, PLAY, REWARD, or VIDEO |
| Campaign ID | {CAMPAIGN_ID} | Unique ID of the campaign associated with the ad that served |
| Campaign Name | {CAMPAIGN_NAME} | Name of the campaign associated with the ad that served |
| Creative Set ID | {CREATIVE_SET_ID} | Unique ID of the creative set associated with the ad that served |
| Creative Set Name | {CREATIVE_SET_NAME} | Name of the creative set associated with the ad that served |
| Event ID | {EVENT_ID} | Unique ID of the the ad request that resulted in showing this ad. This ID is the same value for clicks and impressions for the same ad response. |
