---
title: "Changes to Create custom field definition"
method: POST
path: "/v1/custom-fields"
---

# Changes to Create custom field definition

`POST /v1/custom-fields`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 26 revisions.

- **2026-09-03** `6c0b21e4101e` — 3 warning, 3 info
- **2026-09-02** `605ffe113d3d` — 1 info

## Changes

- **2026-09-03** `6c0b21e4101e` — 3 warning, 3 info
  - added the new `Extension` enum value to the `schema/oneOf[subschema #10: CustomFieldResourceReferenceSchema]/allowed_types/items/` response property for the response status `201`
  - added the new `Extension` enum value to the `scope_type` response property for the response status `201`
  - added the new `Extension` enum value to the `target_type` response property for the response status `201`
  - added the new `Extension` enum value to the request property `schema/oneOf[subschema #10: CustomFieldResourceReferenceSchema]/allowed_types/items/`
  - added the new `Extension` enum value to the request property `scope_type`
  - added the new `Extension` enum value to the request property `target_type`
- **2026-09-02** `605ffe113d3d` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/opcotech/apis/elemo-api/docs/v1/custom-fields/post.md) · [API](https://skmtc.dev/opcotech/apis/elemo-api.md) · [Page](https://skmtc.dev/opcotech/apis/elemo-api/changes/v1/custom-fields/post)