Customizing the email templates in vRealize automation

Check the links given below:-
https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2088805

https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2102019

https://blogs.vmware.com/vsphere/2015/03/customization-of-vrealize-automation-email-notifications.html