The page is available in Settings->Administration->E-Mail Template Configuration. The email templates will be listed in the email composer. The email composer is available in each module. The template created in this page has to be attached with module. The created template will be available in corresponding module’s email composer.
It has a Email Template dropdown where all the created email templates are listed. Choose any one of the template from this dropdown to edit the template. The template content will be loaded in the content area. You can modify it to your need.
If you choose new from the dropdown, you can create new template. Next you have to choose the module. All the fields related to the module and submodule will be available in the variable dropdown. You can choose one and click the insert button to send the variable to content area.