Data Types for Properties in IFC and Archicad

IFC Data Type

Archicad Data Type

Description

Single String

String

Any text or number

Single Real

Number

Any number expressed in decimals

Single Integer

Integer

A whole number

Single Boolean

True/False

A logical true or false value

List String

Tags List

A tag or series of tags.

Enumerated String

Option Set

Provides a fixed set of options. The user can choose a value from this set.