Go to Admin > Property Settings > Data Display > Custom definitions
Then hit the big blue button Create custom advertising data dimension.
create custom dimension button ga4
Fill in the following values in the fields:
Dimension name: search_term
Event parameter: search_term
Scope: event
Then click the Save button.
search term custom dimension ga4
If you are curious about what that stuff is all about, you can read our article that helps you understand custom dimensions in GA4.
Now, let’s look at a bit more advanced report that is useful for web shops or big content sites.
How to create an exploration report for on-site searches?
GA4 exploration reports are a great way to use data of what people search for on your site or e-commerce site in combination with other data.
To create such a report, follow these steps.