---
title: "Retrieve object model information like [M409](https://duet3d.dozuki.com/Wiki/Gcode#Section_M409_Query_object_model). Supported in RRF 3. and later"
method: GET
path: "/rr_model"
---

# Retrieve object model information like [M409](https://duet3d.dozuki.com/Wiki/Gcode#Section_M409_Query_object_model). Supported in RRF 3. and later

`GET /rr_model`

## Query parameters

- `key` string, required
- `flags` string, required

## Response `200`

Object model result

- object
  - `key` string — Queried key
  - `flags` string — Query flags
  - `result` object

## Other responses

- `503` — Insufficient RAM to provide a response

---

[API](https://skmtc.dev/duet3d/apis/reprapfirmware.md) · [All operations](https://skmtc.dev/duet3d/apis/reprapfirmware/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/duet3d/reprapfirmware/revisions/23ee8854e806/schema)