---
title: "Query a thumbnail from a G-code file"
method: GET
path: "/rr_thumbnail"
---

# Query a thumbnail from a G-code file

`GET /rr_thumbnail`

## Query parameters

- `name` string, required
- `offset` number, required

## Response `200`

File list result

- object
  - `fileName` string — Filename of the G-code file
  - `offset` number — Offset of the thumbnail
  - `data` string — Base64-encoded thumbnail data
  - `next` number — Next thumbnail offset or 0 if complete
  - `err` number — Error code, either `0` on success or `1` on error

---

[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)