====== GetTradingPartnerPriceLine ======
The //GetTradingPartnerPriceLine()// function returns the price line for a trading partner. The GLN of a trading partner must be passed as a parameter.
==== Syntax: ====
GetTradingPartnerPriceLine('GLN')/Detail
==== Sample: ====
GetTradingPartnerPriceLine('4399902062879')/Detail/@Bezeichnung
get the name of the price line