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

# List

`GET /event_subscriptions/{subscription_id}/sources`

List the types for which this event subscription will trigger

## Path parameters

- `subscription_id` string, required

## Headers

- `ngrok-version` integer, required

## Response `200`

List the types for which this event subscription will trigger

- EventSourceList
  - `sources` EventSource[] — The list of all Event Sources for an Event Subscription
    - `type` string — Type of event for which an event subscription will trigger
    - `uri` string — URI of the Event Source API resource.
  - `uri` string — URI of the next page, or null if there is no next page.

## Other responses

- `4XX` — An error. The body carries a machine-readable error_code and a human-readable msg; every code is documented at https://ngrok.com/docs/errors. A 429 with error code ERR_NGROK_226 means the account exceeded the documented request-rate limit.
- `5XX` — An error. The body carries a machine-readable error_code and a human-readable msg; every code is documented at https://ngrok.com/docs/errors. A 429 with error code ERR_NGROK_226 means the account exceeded the documented request-rate limit.

---

[API](https://skmtc.dev/ngrok/apis/ngrok-openapi.md) · [All operations](https://skmtc.dev/ngrok/apis/ngrok-openapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/ngrok/ngrok-openapi/revisions/c697539ac350/schema)