How to use

setId

method

in

jscl.math.function.CustomFunction

@Nonnull
@Override
public CustomFunction create() {
  final CustomFunction customFunction = new CustomFunction(name, parameterNames, prepareContent(content), description);
  customFunction.setSystem(system);
  if (id != null) {
    customFunction.setId(id);
  }
  return customFunction;
}