Create a Rule
There are no settings for this event type.
Create the first Action and set event1 to Tab Focus. The specific settings are as follows:
Create a second Action and set it do not treat is as a page views. The specific settings are as follows:
The final complete Rules setup is:
Publish & Test
Publish a version and test it.
I recorded a GIF. Please note that when the tab is clicked on the head, the data of Adobe Experience Cloud Debugger changes and an event will appear.