code: def transform(self, model):
      def _make_stamp():
          """Create a unique identifier for the generated code. This identifier is used to
          compile a unique library and link it with python."""
          from random import choice
          from string import hexdigits
  
          length = 8
          return "".join(choice(hexdigits) for m in range(length))
  
      model.config.config["Stamp"] = _make_stamp()
  
      return False
  
imports: from hls4ml.model.optimizer import ModelOptimizerPass
label_desc: Use image node_id 2 for calling the MakeStamp obj's underlying member method code with example usage: obj.transform(model) and returns: False, str