---
title: "Create"
method: POST
path: "/event_subscriptions/{subscription_id}/sources"
tags: ["EventSources"]
---

# Create

`POST /event_subscriptions/{subscription_id}/sources`

Add an additional type for which this event subscription will trigger

## Path parameters

- `subscription_id` string, required

## Headers

- `ngrok-version` integer, required

## Request body

- EventSourceCreate
  - `subscription_id` string — The unique identifier for the Event Subscription that this Event Source is attached to.
  - `type` string — Type of event for which an event subscription will trigger

## Response `201`

Add an additional type for which this event subscription will trigger

- EventSource
  - `type` string — Type of event for which an event subscription will trigger
  - `uri` string — URI of the Event Source API resource.

---

[API](https://skmtc.net/ngrok/apis/ngrok-openapi.md) · [All operations](https://skmtc.net/ngrok/apis/ngrok-openapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ngrok/ngrok-openapi/versions/1994bbb04714/schema)