There are even a group of commands that allows to create custom elements with custom Update function and properties
Its not a commands, its a variables. Commands is like sim.partProperty(ID,Property,Value). You can find all the variables and more on tpt's wiki (on the powdertoy.co.uk > wiki > TPT LUA API)
i now did "INDT" (its invs)
just be careful to revert when done creating element
tysm this is really useful
this is an absolute master peice +1 also didnt know you could do stuff like change element names in tpt