i created this Dynamo script to put all the 4 parameters together in 1 _ as a separator but for wbs2 it is writing P1 for all instead of P0 for some of the columns why is that happening and what is the solution
appears to be a lacing issue. it could be simplified at first. you go with cross product at the beginning then auto all the way.
This can also be useful.
can also be useful.