Puppet users - Feb 2014 - hiera variable and "if statements" in manifest not working

So I've got a variable set in Hiera:

---
vmw_tools_purge:
    - 'PURGE'

In the manifest, the following works fine:

$vmw_tools_purge = hiera('vmw_tools_purge')
notify { $vmw_tools_purge: }

But this does not work.  The "if statement" is just ignored and notify
isn't triggered.  What am I doing wrong?

if $vmw_tools_purge == 'PURGE' {
    notify { $vmw_tools_purge: }
}

Thanks,

-- 
Kent Brede

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