# User Login Id Duplicate Create Event

Learn about the User Login Id Duplicate Create event.

> For the index of this section of the site, see [llms.txt](https://fusionauth.io/docs/llms.txt)

## User Login Id Duplicate Create

> **PLAN:** This feature requires [an Enterprise plan](https://fusionauth.io/docs/concepts/plans-and-limits/plans-features.md#enterprise-features).

Available since `1.30.0`

This event is generated when a request to create a user with a login Id (email or username) which is already in use has been received.

Event type

user.loginId.duplicate.create

### Event Scope

Prior to version `1.37.0` this was a tenant- or application-scoped event. It can be sent to all applications or to one or more specified applications.

The ability to limit the generation of an event for only certain applications is legacy functionality and is removed as of version `1.37.0`. In earlier versions, you almost certainly want to enable this event at the tenant level and optionally filter on the **tenantId** when consuming the event.

In version `1.37.0` and later this is a tenant-scoped event. It can be sent to all tenants or to one or more specified tenants. Those tenants will only be sent events related to their tenant. You can optionally also filter on the **applicationId** when consuming the event.

### Transaction Compatibility

This event is non-transactional. The operation will succeed regardless of the webhook response status code.

### Event Body

`event.createInstant`

*   Type: `Long`

The [instant](https://fusionauth.io/docs/apis/data-types.md#instants) that the event was generated.

`event.duplicateEmail`

*   Type: `String`

The email address that is already in-use.

`event.duplicateIdentities`

*   Type: `Array<Object>`
*   Available since `1.59.0`

List of identities that are already in-use. Identity objects contain a **type** and a **value** property. The **type** is the type of identity (e.g., email, phoneNumber, username) and the **value** is the actual value of that identity.

`event.duplicatePhoneNumber`

*   Type: `String`
*   Available since `1.59.0`

The phone number that is already in-use.

`event.duplicateUsername`

*   Type: `String`

The username that is already in-use.

`event.existing`

*   Type: `Object`

The existing user that is using the requested email address or username. See the [Users API](https://fusionauth.io/docs/apis/users.md) for property definitions and example JSON.

`event.id`

*   Type: `UUID`

The unique Id of the event. You may receive an event more than once based upon your transaction settings. This Id may be used to identify a duplicate event.

`event.info.data`

*   Type: `Object`
*   Available since `1.30.0`

An object that can hold any information about the event that should be persisted.

`event.info.deviceDescription`

*   Type: `String`
*   Available since `1.30.0`

The description of the device associated with the event.

`event.info.deviceName`

*   Type: `String`
*   Available since `1.30.0`

The device name associated with the event.

`event.info.deviceType`

*   Type: `String`
*   Available since `1.30.0`

The type of device associated with the event.

`event.info.ipAddress`

*   Type: `String`
*   Available since `1.27.0`

The source IP address of the event.

`event.info.location.city`

*   Type: `String`
*   Available since `1.30.0`

The city where the event originated.

**Enterprise plan** To use event location data, you'll need [an Enterprise plan](https://fusionauth.io/docs/concepts/plans-and-limits/plans-features.md#enterprise-features).

`event.info.location.country`

*   Type: `String`
*   Available since `1.30.0`

The country where the event originated.

**Enterprise plan** To use event location data, you'll need [an Enterprise plan](https://fusionauth.io/docs/concepts/plans-and-limits/plans-features.md#enterprise-features).

`event.info.location.latitude`

*   Type: `Double`
*   Available since `1.30.0`

The latitude where the event originated.

**Enterprise plan** To use event location data, you'll need [an Enterprise plan](https://fusionauth.io/docs/concepts/plans-and-limits/plans-features.md#enterprise-features).

`event.info.location.longitude`

*   Type: `Double`
*   Available since `1.30.0`

The longitude where the event originated.

**Enterprise plan** To use event location data, you'll need [an Enterprise plan](https://fusionauth.io/docs/concepts/plans-and-limits/plans-features.md#enterprise-features).

`event.info.location.region`

*   Type: `String`
*   Available since `1.30.0`

The geographic location where the event originated.

**Enterprise plan** To use event location data, you'll need [an Enterprise plan](https://fusionauth.io/docs/concepts/plans-and-limits/plans-features.md#enterprise-features).

`event.info.location.zipcode`

*   Type: `String`
*   Available since `1.30.0`

The zip code where the event originated.

**Enterprise plan** To use event location data, you'll need [an Enterprise plan](https://fusionauth.io/docs/concepts/plans-and-limits/plans-features.md#enterprise-features).

`event.info.os`

*   Type: `String`
*   Available since `1.30.0`

The operating system associated with the event.

`event.info.userAgent`

*   Type: `String`
*   Available since `1.30.0`

The user agent associated with the event.

`event.linkedObjectId`

*   Type: `UUID`
*   Available since `1.53.0`

The Id of the user related to this event.

`event.tenantId`

*   Type: `UUID`

The unique tenant identifier. This value may not be returned if not applicable.

`event.type`

*   Type: `String`

The event type, this value will always be **user.loginId.duplicate.create**.

`event.user`

*   Type: `Object`

The user that on the create request that attempted to use a duplicate login Id. See the [Users API](https://fusionauth.io/docs/apis/users.md) for property definitions and example JSON.

Example Event JSON

```json
{
  "event": {
    "createInstant": 1629436630996,
    "duplicateEmail": "ceo@example.com",
    "existing": {
      "active": true,
      "birthDate": "1981-06-04",
      "connectorId": "e3306678-a53a-4964-9040-1c96f36dda72",
      "data": {
        "Company": "Aviato",
        "foobar": "baz",
        "user_type": "iconoclast"
      },
      "email": "ceo@example.com",
      "firstName": "Ehrlich",
      "id": "9ea5b4b6-14df-44af-8a5e-c6e4bcb31ced",
      "insertInstant": 1625783576299,
      "lastLoginInstant": 1629232057071,
      "lastName": "Bachman",
      "lastUpdateInstant": 1628024498202,
      "passwordChangeRequired": false,
      "passwordLastUpdateInstant": 1625783576327,
      "registrations": [
        {
          "applicationId": "d23ecde6-0661-44a7-808b-a23013e6dfdc",
          "id": "1a01a91e-9861-490f-b4a0-5f91804fa06f",
          "insertInstant": 1626116367082,
          "lastLoginInstant": 1628102540879,
          "lastUpdateInstant": 1626116367082,
          "roles": [
            "USER"
          ],
          "usernameStatus": "ACTIVE",
          "verified": true
        },
        {
          "applicationId": "3c219e58-ed0e-4b18-ad48-f4f92793ae32",
          "id": "22e6a9b2-1d37-463f-8cba-1bd78aa74345",
          "insertInstant": 1625783576372,
          "lastLoginInstant": 1629232057071,
          "lastUpdateInstant": 1625783576372,
          "roles": [
            "admin"
          ],
          "usernameStatus": "ACTIVE",
          "verified": true
        }
      ],
      "tenantId": "a743e2cd-55bb-789c-b076-8846fdd3a51f",
      "twoFactor": {},
      "usernameStatus": "ACTIVE",
      "verified": true
    },
    "id": "faa4669c-8cfd-48fa-a6dd-9a1c1f783eff",
    "info": {
      "ipAddress": "71.229.161.136",
      "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36"
    },
    "type": "user.loginId.duplicate.create",
    "user": {
      "active": true,
      "birthDate": "1990-12-22",
      "connectorId": "e3306678-a53a-4964-9040-1c96f36dda72",
      "email": "ceo@example.com",
      "firstName": "Nelson",
      "id": "9ea5b4b6-14df-44af-8a5e-c6e4bcb31ced",
      "insertInstant": 1625783576511,
      "lastLoginInstant": 1625783576511,
      "lastName": "Bighetti",
      "lastUpdateInstant": 1628024498202,
      "passwordChangeRequired": false,
      "passwordLastUpdateInstant": 1625783576327,
      "tenantId": "a743e2cd-55bb-789c-b076-8846fdd3a51f",
      "twoFactor": {},
      "usernameStatus": "ACTIVE",
      "verified": true
    }
  }
}
```

Related

[Events User Login Id Duplicate Update Event Learn about the User Login Id Duplicate Update event. fusionauth webhookwebhook eventduplicate user](https://fusionauth.io/docs/events/reference/user/login/user-login-id-duplicate-update.md)

[Events Audit Log Create Event Learn about the Audit Log Create event. webhook eventfusionauth webhook](https://fusionauth.io/docs/events/reference/audit-log-create.md)

[Events Event Log Create Event Learn about the Event Log Create event. webhook eventfusionauth webhook](https://fusionauth.io/docs/events/reference/event-log-create.md)

[APIs Webhook Event Log API Learn about the APIs for searching and retrieving webhook event and attempt logs. fusionauth webhook](https://fusionauth.io/docs/apis/webhook-event-logs.md)
---

## Other pages in Login

> For the full index of this section, see [Events](https://fusionauth.io/docs/llms-events.txt).

- [User Login Failed Event](https://fusionauth.io/docs/events/reference/user/login/user-login-failed.md): Learn about the User Login Failed event.
- [User Login Id Duplicate Update Event](https://fusionauth.io/docs/events/reference/user/login/user-login-id-duplicate-update.md): Learn about the User Login Id Duplicate Update event.
- [User Login New Device Event](https://fusionauth.io/docs/events/reference/user/login/user-login-new-device.md): Learn about the User Login New Device event.
- [User Login Success Event](https://fusionauth.io/docs/events/reference/user/login/user-login-success.md): Learn about the User Login Success event.
- [User Login Suspicious Event](https://fusionauth.io/docs/events/reference/user/login/user-login-suspicious.md): Learn about the User Login Suspicious event.