---
title: "Emit session event"
method: POST
path: "/v2/project/{projectID}/session/{sessionKey}/event"
tags: ["Session", "Public-Docs"]
---

# Emit session event

`POST /v2/project/{projectID}/session/{sessionKey}/event`

Emits an event to an ongoing conversation session.

## Path parameters

- `projectID` string, required — ID of the target Voiceflow project.
- `sessionKey` string, required — The session key returned by the [Start session endpoint](/api-reference/session/start-session). Identifies which active session to send the event to.

## Request body

- object
  - `action` BaseRequest, required
    - `type` string, required
    - `payload` unknown
    - `diagramID` string
    - `time` number
    - `metadata` object

## Response `201`

---

[API](https://skmtc.dev/voiceflow/apis/general-runtime.md) · [All operations](https://skmtc.dev/voiceflow/apis/general-runtime/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/voiceflow/general-runtime/revisions/6b1c4f778c56/schema)