operandDefinition
Declares a single parameter of a function definition, consisting of a name and its type. Operand names are available as local identifiers within the function body.
Examples
Single typed parameter
define function "Square"(x Integer) returns Integer: x * x
Multiple parameters with different types
define function "BMI"(weight Decimal, heightM Decimal) returns Decimal: weight / (heightM * heightM)
EBNF
operandDefinition : referentialIdentifier typeSpecifier ;