Hi Andrew. Many thanks for your reply. I think in trying to distill my question into it's most basic form I left out some important info. Here's some additional info: I have defined the following procedure: procedure( myProc(ilInst) if(cdfParseFloatString(ilInst~>c))>1 then sprintf(nil "%g" cdfParseFloatString(ilInst~>c))) ) ) On the child cell I have set it's c parameter to pPar("c") so that it receives the value of c from above, and on the child symbol I placed an ILLabel: myProc(ilInst) I want the child symbol to show the value of the parameter c passed down from above, however myProc isn't receiving the value of c from above, it's receiving the text pPar("c"). How can I fix this to do what I want?
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