emacs.d/snippets/latex-mode/block.yasnippet

# -*- mode: snippet -*-
# contributor: Claudio Marforio <marforio@gmail.com> 
# key: block
# group: environments
# name : \begin{*block} ... \end{*block}
# --
\begin{${1:$$(yas/choose-value '("block" "exampleblock" "alertblock"))}}{${2:Block Title}}

\end{$1}