How to add a block in the Bitrix24 Knowledge Base in which there will be a PDF file in the form of a preview?

Question

Bitrix24

Such a code works as it should if you insert it into an html file

. But when you add it to the Bitrix knowledge base block, this place is empty. Tried adding this code to the tag and it didn't help either.

Answer 1

As it turned out, Bitrix blocks tags,