---
title: "Update the release/obsoletion candidate/item properties."
method: POST
path: "/releasepackages/{rpid}"
tags: ["ReleasePackage"]
---

# Update the release/obsoletion candidate/item properties.

`POST /releasepackages/{rpid}`

Use this endpoint to submit the release. Release candidates must first be created with the [createReleasePackage](#/ReleasePackage/createObsoletionPackage) endpoint. 
 
This endpoint can perform the following actions on release or obsoletion candidates: 
* Update candidate properties 
* Update properties of items in the candidate 
* Add items to the candidate 
* Remove items from the candidate 
* Transition the package to a new state with the `wfaction` query param 
 
See [Onshape Help: Release Management](https://cad.onshape.com/help/Content/release_management.htm) for more information on Onshape releases, and see [API Guide: Release Management](https://onshape-public.github.io/docs/api-adv/relmgmt/) for API examples.

## Path parameters

- `rpid` string, required

## Query parameters

- `action` string
- `wfaction` string

## Response `default`

default response

---

[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)