---
title: "Download a blob subelement from the specified app element."
method: GET
path: "/appelements/d/{did}/{vm}/{vmid}/e/{eid}/blob/{bid}"
tags: ["AppElement"]
---

# Download a blob subelement from the specified app element.

`GET /appelements/d/{did}/{vm}/{vmid}/e/{eid}/blob/{bid}`

Download a blob subelement as a file.

## Path parameters

- `did` string, required
- `vm` string, required
- `vmid` string, required
- `eid` string, required
- `bid` string, required

## Query parameters

- `contentDisposition` string
- `transactionId` string
- `changeId` string
- `linkDocumentId` 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)