How to change email design dynamically

Product Support
1

Your software
My Mautic version is: Mautic 4.x
My PHP version is:7.4.33
My Database type and version is:5.7.44 Mysql

We are sending the email with product information in different email design. As of now we are creating more email based on the product information, but we need to handle the design changes dynamically with in the same email.

We tried with dynamic content but its not working, can you please help on this to change the email design.

Thanks in advance.