Attribute

Each attribute specifies its name (which must be unique amongst the rule attributes defined on or inherited by the rule class), and contains:

Each Attribute contains:

• type

  Defines the type of value that this attribute provides (see Supported Data Types); and

• derivation (calculated attributes only)

  Defines how the attribute calculates its value. Each derivation contains a single CER expression (see Full Alphabetical Listing of Expressions).

  Important: There are special marker expressions which can alter the semantics of the rule attribute - see Markers.