DMN versions

@veridtools/dmn-parser supports DMN 1.1 through 1.5. The version is detected automatically from the XML namespace declared in <definitions>.

Namespace map

Version	Namespace
1.1	http://www.omg.org/spec/DMN/20151101/dmn.xsd
1.1	http://www.omg.org/spec/DMN/20151101/MODEL/
1.2	http://www.omg.org/spec/DMN/20180521/MODEL/
1.3	https://www.omg.org/spec/DMN/20191111/MODEL/
1.4	https://www.omg.org/spec/DMN/20211108/MODEL/
1.5	https://www.omg.org/spec/DMN/20230324/MODEL/

Version-specific features

DMN 1.4

• Conditional expression (if/then/else)
• Filter expression (list[condition])
• Iterator expression (for/some/every)

DMN 1.5

• typeConstraint on ItemDefinition
• BKM variable.typeRef is optional (DMN15-74)
• Alternative InputData representation (DMN15-117)

Force a version

If the file uses an unrecognized namespace, you can override detection:

import { parse } from '@veridtools/dmn-parser'

const model = parse(xml, { version: '1.3' })