---
title: "Changes to Update a parameterized model"
method: PATCH
path: "/parameterized_models/{parameterized_model_id}"
---

# Changes to Update a parameterized model

`PATCH /parameterized_models/{parameterized_model_id}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 25 revisions.

- **2026-11-03** `abebbbc5f60a`: 1 info
- **2026-10-20** `4185f624bbb8`: 3 info
- **2026-09-30** `ea3d377fec1a`: 2 breaking

## Changes

- **2026-11-03** `abebbbc5f60a`: 1 info
  - added the new optional request property `parameter_symbols`
- **2026-10-20** `4185f624bbb8`: 3 info
  - the `query` request parameter `cell_spec_id` became optional
  - `query` request parameter `cell_spec_id` list-of-types was widened by adding types `null`
  - for the `query` request parameter `cell_spec_id`, the type was generalized from `string` to no type, and format from `uuid` to no format
- **2026-09-30** `ea3d377fec1a`: 2 breaking
  - for the `path` request parameter `parameterized_model_id`, the format changed from no format to `uuid`
  - for the `query` request parameter `cell_spec_id`, the format changed from no format to `uuid`

---

[Operation](https://skmtc.dev/ionworks/apis/ionworks-api/docs/parameterized_models/:parameterized_model_id/patch.md) - [API](https://skmtc.dev/ionworks/apis/ionworks-api.md) - [Page](https://skmtc.dev/ionworks/apis/ionworks-api/changes/parameterized_models/:parameterized_model_id/patch)