# KlaviyoAPI::ProfileIdentifierDTOResourceObjectAttributes

## Properties

| Name | Type | Description | Notes |
| ---- | ---- | ----------- | ----- |
| **email** | **String** | Individual's email address | [optional] |
| **phone_number** | **String** | Individual's phone number in E.164 format | [optional] |
| **external_id** | **String** | A unique identifier used by customers to associate Klaviyo profiles with profiles in an external system, such as a point-of-sale system. Format varies based on the external system. | [optional] |
| **anonymous_id** | **String** |  | [optional] |

## Example

```ruby
require 'klaviyo-api-sdk'

instance = KlaviyoAPI::ProfileIdentifierDTOResourceObjectAttributes.new(
  email: sarah.mason@klaviyo-demo.com,
  phone_number: +15005550006,
  external_id: null,
  anonymous_id: null
)
```