...
In the Customer Service Templates section, users can create Customer Service Templates for email that can be easily included in each campaign setting page.
How to add the emails Customer Service Templates
...
in a campaign
Login into CRM
Go and click on the Campaign Management section
Hit Settings
Then click on the campaign that you need to edit or click on the + Create New button if you need to build a new one
In the Campaign Settings page, select the Email Settings
Then click on the Customer service template for this campaign field and pick one of the options displayed on the drop-down menu
Click on the Save button (or Create, if it’s a new campaign) on the right side of the page
...