ConfigurableFieldSpec

class langchain_core.runnables.utils.ConfigurableFieldSpec(id: str, annotation: Any, name: str | None = None, description: str | None = None, default: Any = None, is_shared: bool = False, dependencies: List[str] | None = None)

Field that can be configured by the user. It is a specification of a field.

Parameters:

• id (str) – The unique identifier of the field.

• annotation (Any) – The annotation of the field.

• name (str | None) – The name of the field. Defaults to None.

• description (str | None) – The description of the field. Defaults to None.

• default (Any) – The default value for the field. Defaults to None.

• is_shared (bool) – Whether the field is shared. Defaults to False.

• dependencies (List[str] | None) – The dependencies of the field. Defaults to None.

Create new instance of ConfigurableFieldSpec(id, annotation, name, description, default, is_shared, dependencies)

Attributes

annotation	Alias for field number 1
default	Alias for field number 4
dependencies	Alias for field number 6
description	Alias for field number 3
id	Alias for field number 0
is_shared	Alias for field number 5
name	Alias for field number 2

Methods

__init__()
count(value, /)	Return number of occurrences of value.
index(value[, start, stop])	Return first index of value.

__init__()

count(value, /)

Return number of occurrences of value.

index(value, start=0, stop=9223372036854775807, /)

Return first index of value.

Raises ValueError if the value is not present.

Examples using ConfigurableFieldSpec

• How to add message history