code: def metadata():
      return {
          "name": bento_model.tag.name,
          "version": bento_model.tag.version,
      }
  
file_path: BentoML/examples/custom_web_serving/fastapi_example/service.py
imports: import numpy
  import pandas
  from fastapi import FastAPI
  from pydantic import BaseModel
  import bentoml
  from bentoml.io import JSON
  from bentoml.io import NumpyNdarray
label_desc: Use image node_id 1 for calling a global function with example usage: metadata() and returns: dict