---
title: "GET /#Action=ModifyEventSubscription"
method: GET
path: "/#Action=ModifyEventSubscription"
---

# GET /#Action=ModifyEventSubscription

`GET /#Action=ModifyEventSubscription`

Modifies an existing event notification subscription. Note that you can't modify the source identifiers using this call; to change source identifiers for a subscription, use the AddSourceIdentifierToSubscription and RemoveSourceIdentifierFromSubscription calls.

You can see a list of the event categories for a given SourceType by using the **DescribeEventCategories** action.

## Query parameters

- `SubscriptionName` string, required
- `SnsTopicArn` string
- `SourceType` string
- `EventCategories` string[]
- `Enabled` boolean
- `Action` 'ModifyEventSubscription', required
- `Version` '2014-10-31', required

## Response `200`

Success

## Other responses

- `480` — EventSubscriptionQuotaExceededFault
- `481` — SubscriptionNotFoundFault
- `482` — SNSInvalidTopicFault
- `483` — SNSNoAuthorizationFault
- `484` — SNSTopicArnNotFoundFault
- `485` — SubscriptionCategoryNotFoundFault

---

[API](https://skmtc.net/aws/apis/neptune.md) · [All operations](https://skmtc.net/aws/apis/neptune/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/neptune/versions/c3673ca75718/schema)