interface Creative {
    adId?: string;
    id?: string;
    universalAdId?: UniversalAdId;


adId?: string

The ad server's unique identifier for the creative. Specified in Creative.adId in the VAST response.

id?: string

Identifies the ad server that provides the creative. Specified in in the VAST response.

universalAdId?: UniversalAdId

A unique creative identifier that is maintained across systems. Specified in Creative.UniversalAdId in the VAST response.