Hi, There are currently no examples for this. How do I set CoolantParams for a Mastercam.Database.Operation so that Coolant 1-3 are ON Coolant 1 is BEFORE Coolant 2 is WITH Coolant 3 is AFTER The following code sets ON and BEFORE to *all* coolant options var cool = new Mastercam.Operations.Types.CoolantParams() { Positions = new Mastercam.Operations.Types.CoolantPosition(Mastercam.Operations.Types.CoolantPositionType.Before), States