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Configuration keys are used to add data that is not available in the data received from the source system (your ERP, WMS, CRM etc.) to a document for a partner. Examples: EDI Contract Number mandatory by the receiver + EKSEMPEL MERE???addresses har handled differently at the two parties (receiver/sender) - with different locations as delivery, buyer and invoice, you might need a rule to handle differences.
When the configuration key is available and included in the mapping of a certain document format, the value for it can vary from partner to partner and from distribution to distribution.
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