--> Calling to the custom header

Debugging page – using custom page template 2023 root

(System) The current template is : custom-page-template.php

(System) --- The content of the page - composed by WordPress editor ---

(System) The content generated by WordPress editor is invoked by the_content() WordPress API in all dedicated posts types template

This is the content of the debugging page – generated by the_content() WordPress API. 

(System) --- End of content created by WordPress Editor ---