optional_enum_field#

langchain_experimental.graph_transformers.llm.optional_enum_field(

enum_values: List[str] | List[Tuple[str, str, str]] | None = None,

description: str = '',

input_type: str = 'node',

llm_type: str | None = None,

relationship_type: str | None = None,

**field_kwargs: Any,

) → Any[source]#

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

Parameters:

• enum_values (List[str] | List[Tuple[str, str, str]] | None)

• description (str)

• input_type (str)

• llm_type (str | None)

• relationship_type (str | None)

• field_kwargs (Any)

Return type:

Any