code: private void fillSigTail(SEG sighead, SEG sigtail) {
          String sigtailName = sigtail.getPath();
  
          sigtail.propagateValue(sigtailName + ".seccheckref",
              sighead.getValueOfDE(sighead.getPath() + ".seccheckref"),
              SyntaxElement.DONT_TRY_TO_CREATE,
              SyntaxElement.DONT_ALLOW_OVERWRITE);
      }
docs: sigtail-segment mit werten aus den lokalen variablen füllen