Hi kafka In the expression you have to use a same variable which is used like a name of variable. On this link is mistake, you have to use "L" instead of "x" (sin(L) + 4). That's all.
best, Joach On 24 Pro, 20:58, kafka <[email protected]> wrote: > Hi all, > > I was trying to understand how to use expression within component > inputs such > ashttp://en.wiki.mcneel.com/default.aspx/McNeel/ExplicitHistoryPluginEx... > > But I couldn't understand how I can define a variable to be used in > the expression field. If I follow the easy example in the above link I > get an obvious runtime error saying the variable is not defined. > > How in general an expression is used within a component ? > > I apologise for the odd question! > > Cheers > > Giulio
