Below is a Figma file with the proper way to name, use, and structure each layer in your Figma design. This way Cannoli will identify the structure and layer names to convert your design to MJML code.

https://www.figma.com/file/LEnwFJThBKSFVOEZ8wskyc/Cannoli--Guide---How-to-prepare-your-Figma-frame?type=design&mode=design&t=SRqJyNLJ761qSVHI-1

For a short overview you can use the table below:

See how to name and use each type of layer in your Figma design