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HCL Domino Designer Basic User Guide and Reference
This guide provides information on using HCL Domino Designer and programming language reference information.
Formula Language
This section documents the formula language.
Formula Language Rules
Formula language provides syntax and @functions for evaluating constants and variables, and for performing simple logic. Variables can be fields in Notes® documents or temporary variables (also called temporary fields) used only for the immediate formula.
Using the syntax rules
You understand formula language through its:
Lexical elements
A formula consists of one or more statements, each consisting of any of the following:

Lexical elements

A formula consists of one or more statements, each consisting of any of the following:

Variables
Constants
Operators
@Functions
Keywords

A value is a variable, a constant, the result of an @function, or the result of an expression formed by combining any of the foregoing elements with operators.