from fastapi import FastAPI, Response

app = FastAPI()


class CustomORJSONResponse(Response):
    media_type = "application/json"

    def render(self, content: Any) -> bytes:
        assert orjson is not None, "orjson must be installed"
        return orjson.dumps(content, option=orjson.OPT_INDENT_2)


@app.get("/", response_class=CustomORJSONResponse)
async def main():

➡️ 💬 👆 💚 ⚫️ 📨 🔂 & 📁 🎻, 👆 💚 ⚙️ Orjson 🎛 `orjson.OPT_INDENT_2`.

👆 💪 ✍ `CustomORJSONResponse`. 👑 👜 👆 ✔️ ✍ `Response.render(content)` 👩‍🔬 👈 📨 🎚 `bytes`:

```Python hl_lines="9-14  17"
{!../../docs_src/custom_response/tutorial009c.py!}
```

🔜 ↩️ 🛬:

```json