optional_enum_field

langchain_experimental.graph_transformers.llm.optional_enum_field(enum_values: List[str] | None = None, description: str = '', input_type: str = 'node', llm_type: str | None = None, **field_kwargs: Any) → Any

Utility function to conditionally create a field with an enum constraint.

Parameters:

• enum_values (List[str] | None)

• description (str)

• input_type (str)

• llm_type (str | None)

• field_kwargs (Any)

Return type:

Any