![Zyxware default image1](/sites/default/files/2021-10/Artboard%202%20copy%209.png)
In order to add a new theme template file (.tpl.php file), we need to implement hook_theme() in our Drupal 7 module. A theme template need to be specified in the hook_theme() function. They produce HTML and renders Drupal render array elements to the screen.