{%
source = f:getValue("xap-header","source")
line1 = f:getValue("display.slimp3","line1")
line2 = f:getValue("display.slimp3","line2")
 
%}
Message from {{source}} 
<br>
{{line1}}
<br>
{{line2}}

<br><br><hr><br>
For debugging, the xap message was
<pre>
{{ tostring(f) }}
</pre>