====== SetDocumentFrameTradingPartnerByGLN ======
The function //SetDocumentFrameFrameTradingPartnerByGLN ()// implements the trading partner in the source document. \\
The transfer parameter is the GLN of the partner to be set. \\
==== Syntax: ====
SetDocumentFrameTradingPartnerByGLN(PartnerILN)
**caution:** This does not affect which partner is involved in the target message. \\
This means that you cannot influence the partner for the EntityMessageCreator in mapping. \\
==== Sample: ====
SetTargetDocumentFrameTradingPartnerByGLN($GLN))