In thread https://www.eng-tips.com/viewthread.cfm?qid=411238 cowski and others mention using
ufs.weight.EstabPartProps1(c.tag,0.99,1,units,weight,wexpect)
ufs.weight.askprops(c.tag,units,weight)
to set (?) and query weight, the implication I think was that you could write an OpenNX program to...