Ad event listeners
The Google Publisher Tag (GPT) library allows you to register and call JavaScript functions when specific GPT-related ad events occur. This sample provides a demonstration of using the GPT event framework to monitor and report on the following events.
| Event | Fired when... |
|---|---|
| ImpressionViewableEvent | An impression becomes viewable. |
| SlotOnLoadEvent | A creative iframe fires its onload event. |
| SlotRenderEndedEvent | Creative code has been injected into an ad slot. |
| SlotRequestedEvent | An ad has been requested for the ad slot. |
| SlotResponseReceivedEvent | An ad response has been received for the ad slot. |
| SlotVisibilityChangedEvent | The on-screen percentage of the ad slot changes. |