If necessary, staff can use template variables of the Twig template system with a document template.

1. Select Admin.
   
2. In the settings list, select Templates.
   
3. Select Document Templates.
   
   ezyVet shows the configured document templates of your site.
4. Find and select the applicable document template.
   ezyVet shows the settings of the template.
5. Select Use New Templating Engine.
   
6. Add the applicable Twig template variables.
   Note: If the template has template variables from the classic template system, you must remove them. You cannot use Twig template variables and classic template variables at the same time in one template.
7. Select Save.
   
   ezyVet shows a confirmation message: