configering the plugin

I’ve activated the Google Analytics API as instructed but not sure where exactly to put the “<?php echo gapp_get_post_pageviews(); ?> ” code in the template. There are many template files. Also, once I do it, how do I show the post counts on the post?

Thanks you very much!

https://www.ads-software.com/plugins/google-analytics-post-pageviews/