This is the list of supported customer core fields in commercetools.
Use them in your field mapping.
id
email
firstName
lastName
name
createdAt
customerNumber
middleName
title
salutation
dateOfBirth
companyName
vatId
defaultShippingAddressId
defaultBillingAddressId
externalId
isEmailVerified
defaultBillingAddressTitle
defaultBillingAddressSalutation
defaultBillingAddressFirstName
defaultBillingAddressLastName
defaultBillingAddressStreetName
defaultBillingAddressStreetNumber
defaultBillingAddressAdditionalStreetInfo
defaultBillingAddressPostalCode
defaultBillingAddressCity
defaultBillingAddressRegion
defaultBillingAddressState
defaultBillingAddressCountry
defaultBillingAddressCompany
defaultBillingAddressDepartment
defaultBillingAddressBuilding
defaultBillingAddressApartment
defaultBillingAddressPOBox
defaultBillingAddressPhone
defaultBillingAddressMobile
defaultBillingAddressEmail
defaultBillingAddressFax
defaultBillingAddressAdditionalAddressInfo
defaultShippingAddressTitle
defaultShippingAddressSalutation
defaultShippingAddressFirstName
defaultShippingAddressLastName
defaultShippingAddressStreetName
defaultShippingAddressStreetNumber
defaultShippingAddressAdditionalStreetInfo
defaultShippingAddressPostalCode
defaultShippingAddressCity
defaultShippingAddressRegion
defaultShippingAddressState
defaultShippingAddressCountry
defaultShippingAddressCompany
defaultShippingAddressDepartment
defaultShippingAddressBuilding
defaultShippingAddressApartment
defaultShippingAddressPOBox
defaultShippingAddressPhone
defaultShippingAddressMobile
defaultShippingAddressEmail
defaultShippingAddressFax
defaultShippingAddressAdditionalAddressInfo