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---
inMenu: true
title: Function Reference
orderInfo: 40 
---
        
There are two types of functions in Puppet: Statements and rvalues.
Statements stand on their own and do not return arguments; they are used for
performing stand-alone work like importing.  Rvalues return values and can
only be used in a statement requiring a value, such as an assignment or a case
statement. 

Here are the functions available in Puppet: