> Documentation index: [Saleor](/llms.txt) · [This section](/api-reference/products/llms.txt)
> Source: https://docs.saleor.io/api-reference/products/objects/collection-updated

# CollectionUpdated Object

Event sent when collection is updated.

```graphql
type CollectionUpdated implements Event {
  issuedAt: DateTime
  version: String
  issuingPrincipal: IssuingPrincipal
  recipient: App
  collection(channel: String): Collection
}
```

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### Fields

<a id="issued-at"></a>

#### [`issuedAt`](#issued-at) ● [`DateTime`](/api-reference/miscellaneous/scalars/date-time.md)

Time of the event.

<a id="version"></a>

#### [`version`](#version) ● [`String`](/api-reference/miscellaneous/scalars/string.md)

Saleor version that triggered the event.

<a id="issuing-principal"></a>

#### [`issuingPrincipal`](#issuing-principal) ● [`IssuingPrincipal`](/api-reference/miscellaneous/unions/issuing-principal.md)

The user or application that triggered the event.

<a id="recipient"></a>

#### [`recipient`](#recipient) ● [`App`](/api-reference/apps/objects/app.md)

The application receiving the webhook.

<a id="collection"></a>

#### [`collection`](#collection) ● [`Collection`](/api-reference/products/objects/collection.md)

The collection the event relates to.

<a id="collection-updated-collection-channel"></a>

##### [`channel`](#collection-updated-collection-channel) ● [`String`](/api-reference/miscellaneous/scalars/string.md)

Slug of a channel for which the data should be returned.

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### Interfaces

<a id="event"></a>

#### [`Event`](/api-reference/miscellaneous/interfaces/event.md)