docstr: Returns whether the field is a metadata field.
docstr_tok: ["Returns","whether","the","field","is","a","metadata","field","."]
code: def is_metadata_field(self) -> bool:
      """Returns whether the field is a metadata field."""
      return self.field.startswith("metadata.")
  
imports: import warnings
  from typing import TYPE_CHECKING, Any, Dict, List, Literal, Optional, Tuple, Union
  from uuid import UUID
  from argilla.client.feedback.schemas.enums import RecordSortField, ResponseStatus, SortOrder
  from argilla.pydantic_v1 import BaseModel, Extra, Field, PrivateAttr, StrictInt, StrictStr, conint, validator
label_desc: Use image node_id 3 for calling the SortBy obj's underlying member method code with example usage: obj.is_metadata_field() and returns: self