---
title: "Download the blob element (i.e., a file) stored in an app element in a document's workspace."
method: GET
path: "/appelements/d/{did}/w/{wid}/e/{eid}/blob/{bid}"
tags: ["AppElement"]
---

# Download the blob element (i.e., a file) stored in an app element in a document's workspace.

`GET /appelements/d/{did}/w/{wid}/e/{eid}/blob/{bid}`

The downloaded file can be used to retrieve stored subelements.

## Path parameters

- `did` string, required
- `wid` string, required
- `eid` string, required
- `bid` string, required

## Query parameters

- `contentDisposition` string
- `transactionId` string
- `changeId` string

## Headers

- `If-None-Match` string

## Response `default`

File download.

---

[API](https://skmtc.net/onshape/apis/onshape-rest-api.md) · [All operations](https://skmtc.net/onshape/apis/onshape-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/onshape/onshape-rest-api/revisions/aaa3e1322450/schema)