Defines a constant that can be referenced in a Unit's definition.


typeName Defines the name of this Constant. Must be a valid ECName and be unique among all other items in a schema.

displayLabel A localized display label that will be used instead of the name in a GUI. If not set, the name is used.

description A user-facing description of the Constant. Localized and may be shown in a UI.

phenomenon The physical quantity that this unit measures (e.g., length, temperature, pressure). Only units in the same phenomenon can be converted between.

definition The expression that defines the unit this constant's factor is measured in.

numerator The numerator for the constant value being defined.

denominator The denominator for the constant value being defined.

Last Updated: 15 May, 2024