# Custom Response Classes - File, HTML, Redirect, Streaming, etc.

There are several custom response classes you can use to create an instance and return them directly from your *path operations*.

Read more about it in the [FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/).

You can import them directly from `fastapi.responses`:

```python
from fastapi.responses import (
    FileResponse,

        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {
            "/items/": {
                "get": {
                    "summary": "Read Items",
                    "operationId": "read_items_items__get",
                    "parameters": [
                        {
                            "name": "q",
                            "in": "query",
                            "required": False,

  cancel-in-progress: false

env:
  # Set the DEVELOCITY_ACCESS_KEY so that a Build Scan is generated
  DEVELOCITY_ACCESS_KEY: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
  # Enable debug for the `gradle-build-action` cache operations
  GRADLE_BUILD_ACTION_CACHE_DEBUG_ENABLED: true

permissions: {}

jobs:
  build:
    name: "Compile All"
    permissions:
      contents: read
    runs-on: ubuntu-latest
    steps:

    assert response.json() == {
        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {
            "/users": {
                "get": {
                    "operationId": "read_users2_users_get",
                    "responses": {
                        "200": {
                            "content": {
                                "application/json": {

        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {
            "/": {
                "get": {
                    "summary": "Root",
                    "operationId": "root__get",
                    "responses": {
                        "200": {
                            "description": "Successful Response",
                            "content": {"application/json": {"schema": {}}},

                                    }
                                }
                            },
                        }
                    },
                    "summary": "Read Items",
                    "operationId": "read_items_items__get",
                }
            }
        },
        "components": {
            "schemas": {
                "Item": {
                    "title": "Item",

                            "content": {"application/json": {"schema": {}}},
                        }
                    },
                    "summary": "Read Item",
                    "operationId": "read_item_items__get",
                }
            }
        },

                },
            ],
            "paths": {
                "/app": {
                    "get": {
                        "summary": "Read Main",
                        "operationId": "read_main_app_get",
                        "responses": {
                            "200": {
                                "description": "Successful Response",

        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {
            "/app": {
                "get": {
                    "summary": "Read Main",
                    "operationId": "read_main_app_get",
                    "responses": {
                        "200": {
                            "description": "Successful Response",

            "info": {"title": "FastAPI", "version": "0.1.0"},
            "paths": {
                "/": {
                    "get": {
                        "summary": "Get Root",
                        "operationId": "get_root__get",
                        "responses": {
                            "200": {
                                "description": "Successful Response",