The following action hooks can be used to modify Base Theme through your Child Theme functions.php file or even a custom plugin.
Located in header.php just before the header div.
Located in header.php priority 1 for logo and priority 3 for description
Located in header.php just after the header div.
Located in index.php just above the content div for loading applications like slideshow.
Located in index.php and can be used to change the whole content div. It contains gpp_base_index_loop() and gpp_base_navigation()
Located inside gpp_base_loop() and can be used to change just the post div.
Located in index.php, single.php, archive.php just above the content if the post.
Located in index.php, single.php, archive.php just below the content of the post.
Located in archive.php inside archivecontent div.
Located in author.php, author loop is defined in it.
Located in attachment.php, attachment loop is defined in it.
Located in single.php and can be used to change the contains of gpp_base_index_loop() and gpp_base_navigation() together.
Located in single.php inside content div just after gpp_base_single_post().
Located in index.php,single.php,page.php just above the title.
Located in index.php,single.php,page.php just below the title. If you don't like posted date showing below you can change it to anything you like or nothing as follows.
Use this action hook if you want to change the date format.
Use this action hook if you want to change the author format.
Located in all pages where paging is needed like previous post / next post.
Located in single.php and can be used to change the error message if the page is not found.
Located in page.php and can be used to change the way page displays.
Located in index.php and page-blog.php and can be used to change the way meta displays.
Located in single.php and can be used to change the way meta displays.
Located in sidebar.php just above the sidebar div
Located in sidebar.php just below the sidebar div
Located in footer.php just above the footer div
Located in footer.php and can be used to chage the footer content.
Located in footer.php just below the footer div
The following theme filters can be used to modify Base Theme through your Child Theme functions.php file or even a custom plugin.