In computing, IIf (an abbreviation for Inline if) is a function in several editions of the Visual Basic programming language and ColdFusion Markup Language (CFML), and on spreadsheets that returns one of its three parameters based on the evaluation of one of the other parameters. It is an example of a conditional expression, which is similar to a conditional statement.
Read more about IIF: Syntax, Examples, Alternatives To IIf, IIf in Other Programming Languages