Wordpress redirect to a subpage - how to create a template for subpage?

So I have the author.php which is the author page showing all information and posts for the author.

I'm trying to create a subpage template (example.php) for the auhthor.php so that I can showcase custom posts on a separate page like - www.abc.com/author/example

How can I create a subpage template so that it will also take the author details and be able to present custom posts on the sub page.

Topic author php author-template Wordpress

Category Web

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