---
title: "Changes to Set a shader video effect on a vision mixer block (input look or PGM master)."
method: POST
path: "/api/flows/{flow_id}/blocks/{block_id}/effect"
---

# Changes to Set a shader video effect on a vision mixer block (input look or PGM master).

`POST /api/flows/{flow_id}/blocks/{block_id}/effect`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 53 revisions.

- **2026-06-09** `b6263c0a953b`: 2 breaking, 2 info
- **2026-06-05** `a283aff441bf`: 1 info
- **2026-04-07** `1e67862a080e`: 1 breaking

## Changes

- **2026-06-09** `b6263c0a953b`: 2 breaking, 2 info
  - removed `subschema #4` from the `effect` request property `oneOf` list
  - added `subschema #4, subschema #16` to the `effect` response property `oneOf` list for the response status `200`
  - added `subschema #4, subschema #16` to the `effect` request property `oneOf` list
  - removed `subschema #4` from the `effect` response property `oneOf` list for the response status `200`
- **2026-06-05** `a283aff441bf`: 1 info
  - endpoint added
- **2026-04-07** `1e67862a080e`: 1 breaking
  - api path removed without deprecation

---

[Operation](https://skmtc.dev/eyevinn/apis/strom-api/docs/api/flows/:flow_id/blocks/:block_id/effect/post.md) - [API](https://skmtc.dev/eyevinn/apis/strom-api.md) - [Page](https://skmtc.dev/eyevinn/apis/strom-api/changes/api/flows/:flow_id/blocks/:block_id/effect/post)