Control subtree

The subtypes of the Control category are the same in each EDIFACT schema. These types are used in EDIFACT envelope segments.

Expand the Control category to view the sub-schemas.

Envelope types
This documentation describes the ways in which envelope types are used.
UNA service string
The UNA type is an optional envelope control. It is used to specify syntax objects that appear within the EDIFACT interchange.
EDIFACT interchange envelope UNB and UNZ
An EDIFACT interchange begins with a UNB. It contains version release information, syntax information, and partner information. An interchange ends with a UNZ.
Functional group envelope UNG and UNE
A functional group begins with a UNG and ends with a UNE. Functional group envelopes in EDIFACT are optional.
Message envelopes - UNH and UNT
A message begins with a UNH and ends with a UNT.
Element category
Delimiter category
The Delimiter types are syntax items.
Composite category
A composite is a group of related elements.

Parent topic: EDIFACT category details