Knowledgebase: Technical Support > API > Client API's/VTL > VTL Client Scripts > Utility Functions
IsNullValue
Posted by Mohammad Rahhal, Last modified by Diana Alkouni on 08 September 2020 07:26 AM

Syntax

Public Function IsNullValue(expression As Variant) As Boolean

Description

This function is used to return a boolean value that indicates a specified expression containing non valid data.

Parameters

Key Description
expression An expression value of type variant to indicate if it null value or not.

Return value

Returns true if the expression is null. Otherwise, it returns false.

Sample

Public Sub main()

AlertMessage IsNullValue(NULL) 'Returns true. 

End Sub

See Also


Back to VTL Client Script Index

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