in content/js/track-search-terms.js [33:44]
function trackSearchQuery(e){
const searchHits = window.bookSearchIndex.search(input.value, 10);
//Call Matomo's trackSiteSearch function to track the search query in its internal search tracking capability
_paq.push(['trackSiteSearch',
// Search keyword searched for
input.value,
// Search category selected in your search engine. If you do not need this, set to false
false,
// Number of results on the Search results page. Zero indicates a 'No Result Search Keyword'. Set to false if you don't know
searchHits.length
]);
}