User Fields - MX Documentation

Field	Type	Description
`birthdate`	String	The user’s date of birth (`YYYY-MM-DD`).
`created_at`	String	The ISO 8601 date and time the user was created.
`credit_score`	Integer	The user’s credit score.
`email`	String	The user’s email address.
`first_name`	String	The user’s first name.
`gender`	String	The user’s gender.
`id`	String	The partner-defined unique identifier for the user.
`is_disabled`	Boolean	Indicates whether the user is disabled. Disabled users are not aggregated.
`last_name`	String	The user’s last name.
`metadata`	String	Additional information a partner can store on the user object.
`phone`	String	The user’s phone number.
`updated_at`	String	The ISO 8601 date and time the user was last updated.
`zip_code`	String	The user’s zip code.