Returns a Boolean value indicating whether the schema definition of a column requires data before the row is committed. Read-only Boolean .
expression . Required
expression A variable that represents a ListDataFormat object.
In Microsoft Excel, you cannot set any of the properties associated with the ListDataFormat object. You can set these properties, however, by modifying the list on the SharePoint site.
The following example displays the setting of the Required property for the third column of a list in Sheet1 of the active workbook.
Sub Test()
Dim wrksht As Worksheet
Dim objListCol As ListColumn
Set wrksht = ActiveWorkbook.Worksheets("Sheet1")
Set objListCol = wrksht.ListObjects(1).ListColumns(3)
Debug.Print objListCol.ListDataFormat.Required
End Sub