By just writing it like normal LaTeX. Once you write \somecommand it will interpret it as latex. See the link one of your sibling comments posted for an example

By just writing it like normal LaTeX. Once you write \somecommand it will interpret it as latex. See the link one of your sibling comments posted for an example: http://tech.lauritz.me/easy-latex-with-markdown-pandoc/ http://tech.lauritz.me/easy-latex-with-markdown-pandoc/