| Field | Type | Description |
|---|---|---|
| external_id | string | A unique customer identifier. This ID will be used to identify the customer in our database, it is used for creating profiles, attributing events to profiles, and merging profiles. If you don’t have a unique identifier for the customer, avoid using this property. If you’re using Shopify as your eCommerce platform, please use the Shopify customer ID. Max. length: 255 characters |
| first_name | string | The first name of the customer who made the checkout. Max. length: 255 characters |
| last_name | string | The last name of the customer who made the checkout. Max. length: 255 characters |
| string | The email address of the customer who made the checkout. Max. length: 255 characters | |
| phone_number | string | The phone number of the customer who made the checkout. Max. length: 255 characters |
| accepts_sms_marketing | boolean | A flag indicating whether the customer chose to accept SMS marketing messaging. Please note that whether or not the customer is ultimately subscribed to messaging may be determined by additional factors. |
| accepts_email_marketing | boolean | A flag indicating whether the customer chose to accept email marketing messaging. Please note that whether or not the customer is ultimately subscribed to messaging may be determined by additional factors. |