---
title: "Set Extension-wide Viewer State"
method: POST
path: "/extension_viewer_state"
tags: ["Admin Extension State"]
---

# Set Extension-wide Viewer State

`POST /extension_viewer_state`

Sets the viewer state for the entire extension. This is associated with the current viewer, but across all channels.

## Response `200`

Viewer state updated

## Other responses

- `400` — JSON data was not able to be parsed

---

[API](https://skmtc.net/muxy/apis/muxy-s-extension-development-kit.md) · [All operations](https://skmtc.net/muxy/apis/muxy-s-extension-development-kit/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/muxy/muxy-s-extension-development-kit/versions/21b37686a542/schema)