Set Reference Plane Parameter "Is a Reference" to Not, Weak, or Strong

I’m trying to create reference lines and planes in a family for a common symbol offset setup we use. I can set the parameter using Element.SetParameterByName and using the name " Is Reference". The value is an integer. I didn’t know what corresponded to what so I started going thru the numbers, however anything above 8 just gives a blank value for the parameter. I can’t seem to find weak, strong, and not a reference. Is there a place to find these?

NVM: Found a Rhythm node that was able to spit out the correct values for an existing reference line. Here is what I found for people that need to know:
is a reference values