Parameter types

The type of a parameter specifies how you can obtain a parameter value.

CONST - this value would be a constant for every calculation of the attribute.
ATTRIB - the value of system or user-defined attribute;
REF - reference to another object;
CHILD - detailed objects, related to the current master object;
EXP - the value of the expression with the specified number (in the Value field);
INPUT - the input parameter for the specified expression number (in the Value field);
REPO - a repository;
SYS - the value of a particular system variable such as Login, Today, EnterpriseCompanyId, etc.

The parameter types are used in every calculated attributes. Here are some examples.