LibreOffice 7.2 Help
Tests if a Variant variable contains the Empty value. The Empty value indicates that the variable is not initialized.
IsEmpty (Var)
Bool
Var: Any variable that you want to test. If the Variant contains the Empty value, the function returns True, otherwise the function returns False.
Sub ExampleIsEmpty
Dim sVar As Variant
sVar = Empty
Print IsEmpty(sVar) ' Returns True
End Sub