code: def _op_name(op_schema_name, api="fn"):
      """Extract the name of the operator from the schema and return it transformed for given API:
      CamelCase for "ops" API, and snake_case for "fn" API. The name contains full module path,
      for example:
          _op_name("experimental__readers__VideoResize", "fn") -> "experimental.readers.video_resize"
  
      Parameters
      ----------
      op_schema_name : str
          The name of the schema
      api : str, optional
          API type, "ops" or "fn", by default "fn"
  
      Returns
      -------
      str
          The fully qualified name in given API
      """
      full_name, submodule, op_name = _process_op_name(op_schema_name)
      if api == "fn":
          return ".".join(
              [*submodule, _functional._to_snake_case(op_name)]
          )
      elif api == "ops":
          return full_name
      else:
          raise ValueError(
              f'{api} is not a valid DALI api name, try one of {"fn", "ops"}'
          )
  
imports: from nvidia.dali import fn
label_desc: Use image node_id 3 for calling a global function with example usage: _op_name(op_schema_name, api) and returns: str, full_name