Structure of EDIFACT Envelopes

The actual EDIFACT document structure has hierarchical levels. From highest to the lowest, they are:

• Interchange Envelope

• Functional Group

• Transaction Set

A schematic structure of EDIFACT documents is shown below:

EDIFACT control segments in EDI Tools for .NET

• EDIFACT UNA
• EDIFACT UNB
• EDIFACT UNG
• EDIFACT UNH
• EDIFACT UNT
• EDIFACT UNE
• EDIFACT UNZ