To add a new email template or edit an existing one, follow the below steps:
Click on Content, this can be found within Admin Menu, Configuration or Setup depending on how your system is configured.
Select Emails.
Select the module, for example Absence and then select the group from the list or click Add Group.
Select the email or Add Email, skip to step 7.
If you have selected an email, click Edit and fill out the details.
In the body of the email, you can use Replacements, which are fields from the database that will pull actual data stored.
Click Save.