Expressions

An expression is a combination of values, variables, and operators, which computes to a value.

The computation is called an evaluation.

Example

5 * 10

evaluates to 50.

Expressions can also contain variable values:

$x * 10

The values can be of various types, such as numbers or strings

'My' + ' ' + 'Literal String'

Evaluates to 'My Literal String'

Expressions can also contain attributes values:

$x * 10 + Density