---
title: "Changes to Send events — the one input: user.message, user.interrupt, system.message [write]"
method: POST
path: "/sessions/{id}/events"
---

# Changes to Send events — the one input: user.message, user.interrupt, system.message [write]

`POST /sessions/{id}/events`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 4 revisions.

- **2026-11-02** `e5e8f0229a99`: 1 breaking, 9 info

## Changes

- **2026-11-02** `e5e8f0229a99`: 1 breaking, 9 info
  - removed `subschema #1, subschema #3` from the `events/items/` request property `oneOf` list
  - added `subschema #1, subschema #3` to the `events/items/` request property `oneOf` list
  - added the optional property `data/items/allOf[#/components/schemas/Event]/cause` to the response with the `200` status
  - added the optional property `data/items/allOf[#/components/schemas/Event]/deadline_at` to the response with the `200` status
  - added the optional property `data/items/allOf[#/components/schemas/Event]/mode` to the response with the `200` status
  - added the optional property `data/items/allOf[#/components/schemas/Event]/rowId` to the response with the `200` status
  - added the optional property `error/request_id` to the response with the `default` status
  - the response property `error` became required for the status `default`
  - the response property `error/code` became required for the status `default`
  - the response property `error/message` became required for the status `default`

---

[Operation](https://skmtc.dev/agentsky/apis/agentsky-developer-api/docs/sessions/:id/events/post.md) - [API](https://skmtc.dev/agentsky/apis/agentsky-developer-api.md) - [Page](https://skmtc.dev/agentsky/apis/agentsky-developer-api/changes/sessions/:id/events/post)