Livecycle

Exists

Determines whether the given parameter is a reference syntax to an existing object.

Syntax

Exists(v)

Parameters

 

Parameter	Description
v	A valid reference syntax expression. If v is not a reference syntax, the function returns false (0).

Examples

The following expressions are examples of using the Exists function:

 

Expression	Returns
Exists(Item)	True (1) if the object Item exists and false (0) otherwise.
Exists(“hello world”)	False (0). The string is not a reference syntax.
Exists(Invoice.Border.Edge[1].Color)	True (1) if the object Invoice exists and has a Border property, which in turn has at least one Edge property, which in turn has a Color property. Otherwise, the function returns false (0).

Exists