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Do advanced pdf templates support the `<#function>` directive? I'm trying to replace characters in multiple strings but the function doesn't look to be called

Turns out it's being called, but this returns "HELLO".
```&lt;#function decodeInput input&gt;
                &lt;#local temp = 'HELLO'&gt;                          
                temp = temp?replace("L","O")
                &lt;#return temp&gt;
            &lt;/#function&gt;```

I guess the function can't return a variable, doing that replace in the return works. Weird

You gotta do &lt;#assign temp = temp?replace("L","O")&gt;

you don't have the assign directive there

not that it matters much, I'm working with `input`

I'm not familiar with freemarkers namespace, I was worried about temp being availble outside of the function

You'll be fine if you just switch to &lt;#assign ...&gt; goin forward

may run into a function that does/doesn't work from time to time but if you aren't trying to be very fancy you should be able to find what you need.