Is there documentation anywhere for the email template syntax, specifically the available |[filter] options available for formatting values for display in an email?

I see in some of the example emails that they use a syntax of {{ var someVariable |raw }} -- what I'm looking for are what the things are after the '|' that are available, how I might add more and/or what the syntax (and code location) of those might be.


The scripting language inside email template is called Twig. According to Official Twig Documentation, the pipe symbol (|) inside delimiters(it means the {{}}) are "Filters". You can use it to modify the output.

Here is the list that you can use for the filter.

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  • ahhh , thanks. I was wondering if that was something like Twig or something proprietary. (I couldn't even find any documentation that said that!) Greatly appreciated! – Scott Apr 12 '18 at 18:52
  • ok, I've tried |number_format, |number_format(2), number_format(2,'.',','), |round(2) -- none of them do anything to the value displayed – Scott Apr 12 '18 at 18:57
  • I didn't have a try on it. Usually I handle value filter before outputting to email template. – PY Yick Apr 13 '18 at 2:41

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