Contents > 8 Defining Custom Design Metrics and Rules > 8.5 Expression Terms > 8.5.1 Metric Expressions

8.5.1 Metric Expressions

A metric expression is an expression that returns a number, a string, or a model element that can be used as the value of a metric. A metric expression is made up of constants, identifiers, keywords, and operators. These are described in the following.
8.5.1.1 Constants
8.5.1.2 Identifiers
8.5.1.3 Keywords
8.5.1.4 Mathematical Operators and Functions
8.5.1.5 Special Operators