create_model_v2#

langchain_core.utils.pydantic.create_model_v2(model_name: str, *, module_name: str | None = None, field_definitions: dict[str, Any] | None = None, root: Any | None = None) → type[BaseModel][source]#

Create a pydantic model with the given field definitions.

Attention

Please do not use outside of langchain packages. This API is subject to change at any time.

Parameters:

model_name (str) – The name of the model.
module_name (str | None) – The name of the module where the model is defined. This is used by Pydantic to resolve any forward references.
field_definitions (dict[str, Any] | None) – The field definitions for the model.
root (Any | None) – Type for a root model (RootModel)

Returns:

The created model.

Return type:

Type[BaseModel]