You can see a dotted-line block with 6 options. You can add any of these blocks as needed and customize accordingly on the right panel (gif-1)

Text - Use # to mention columns. You can customize the text, element, alignment and the block overall.

Image - Add one or more images into the print format being created. Either select a media column from the dropdown or choose a file to upload.

Table - Add a child table as a table in this block. Take a look at some print-table updates here.

Line, Space - Add a line or space to separate sections.

HTML - Click on HTML to retain formatting from another web page or document.

After having configured the print format column, click on 'Save' present in top-right corner of the modal.

How to create a Print Format column?