Null Function - microsoft/MIMWAL GitHub Wiki
Syntax
void Null()
Description
Returns a null value. Typically used in Update Resources activity with the "Allow Null" checkbox to clear the value of an attribute.
Remarks
None.
Supported Version
1.0.0.0 and later
Examples
IIF(LessThan(Length([//Target/EmployeeID]),8)), LeftPad([//Target/EmployeeID],8,"0"),Null())