An event that describes the action of unsubscribing from a mailing list.

Here's an example of a _Email Unsubscribe_:

- JavaScript
- Swift
- Kotlin

```javascript
pcdp("event", "track", {

"clientId": "kevel",

"siteId": "kevel.com",

"type": "emailUnsubscribe",

"customFields": {

"debug": "true",

"role": "superuser"

},

"campaignId": "MAILCHIMP_KEVEL_456"

})
```

```swift
import Foundation

let event = """
{

"clientId": "kevel",

"siteId": "kevel.com",

"type": "emailUnsubscribe",

"customFields": {

"debug": "true",

"role": "superuser"

},

"campaignId": "MAILCHIMP_KEVEL_456"

}"\