code: def onnx_handler(*args):
      def decorator(function):
          function.handles = [arg for arg in args]
          return function
  
      return decorator
  
imports: import numpy
  import onnx
  from onnx import helper, numpy_helper, shape_inference
  from hls4ml.model import ModelGraph
label_desc: Use image node_id 9 for calling a global function with example usage: onnx_handler() and returns: decorator, function