Hi Shivam,
You can refer below link as well to send email.
Hi Shivam Agrawal,
https://docs.mendix.com/appstore/modules/email-with-templates/
Please refer this link
Thanks
Hari.
Hi Shivam Agrawal,
In the Template tab by clicking new you can able to add the template.
Add the template with the combination of HTML and CSS if you need the dynamic value you need to pass the placeholder or set a static value in html code.