====== LookupTPValue ======

This function basically corresponds to the mapping function [[en:transformation:mappings:funktionen:abfragefunktionen:lookup:lookupglobalvalue|LookupGlobalValue]]. 
However, //LookupTPValue// specifies a table (LookupTable) and not just a global table type. 

==== Syntax: ====

<code>LookupTPValue('Tabelle','Key','Description')</code>
<code>LookupTPValue('Tabelle','Key')</code>
==== Sample: ====

<code>LookupTPValue('Sizes',@Ean,'Ean Calida')</code>
<code>LookupTPValue('Sizes',@Ean)</code>