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