Enum describing possible types of payable and free interactions.
Used for return value only. Represents value unknown in this version.
Click to site. In most cases, this interaction navigates to an external location, usually the advertiser's landing page. This is also the default InteractionEventType for click events.
The user's expressed intent to engage with the ad in-place.
User viewed a video ad.
The default InteractionEventType for ad conversion events. This is used when an ad conversion row does NOT indicate that the free interactions (i.e., the ad conversions) should be 'promoted' and reported as part of the core metrics. These are simply other (ad) conversions.