The Studio tools for accessing operators provide icons with decorations, and tooltips.

Icons

Rule Operators are assigned icons which provide the user with information about their usage. The following table describes these icons:

Icon Where Found Purpose Examples
General, Literals category indicates special values or constants null, true, other
General, Functions category indicates system values that are automatically retrieved upon rule execution. now, today
Operators, Boolean category this special “unary” operator icon is used only with not not
Operators, all categories indicates the operator uses a period “.” to attach to its operand. Most operators with this icon typically fell into the previous “function” category. day, round, contains
Operators, all categories indicates the operator is used between two operands. Most operators with this icon typically fell into the previous “comparison” category. equals, multiply
Operators, Collection & Sequence categories indicates the operator is used with collections or sequences.  Also indicates an alias must be used to represent the collection operated on. sum, size
Extended Operators indicates the operator has been added to the Vocabulary using the extension framework described in Corticon Extensions Guide. -

Tool tips

In Corticon Studio, moving the mouse over a Vocabulary operator and pausing, or hovering for a moment, causes a dynamic tool tip text box to display. This tool tip contains information about operator syntax, return data type, and description, all of which are supplied in more detail in this set of topics. For questions not answered by the tool tip, refer to the detailed operator descriptions in this publication. The following figure shows a typical tool tip for the date operator .monthsBetween:

Figure 1. Typical Rule Operator Tool Tip