class Item(BaseModel):
            name: str
            description: str | None = None

        app = FastAPI()

        @app.patch("/items/")
        def update_item(item: Item):
            return {"message": "Item updated in place"}
        ```
        """
        return self.router.patch(
            path,
            response_model=response_model,

* 📝 Update code examples in docs for body, replace name `create_item` with `update_item` when appropriate. PR [#5913](https://github.com/tiangolo/fastapi/pull/5913) by [@OttoAndrey](https://github.com/OttoAndrey).