/// <summary>
/// Save customer account activation request to channel DB.
/// </summary>
/// <param name="email">E-mail address.</param>
/// <param name="activationToken">Activation token (a GUID).</param>
/// <returns>Result for linking external identity to an existing customer.</returns>
public LinkToExistingCustomerResult FinalizeLinkToExistingCustomer(string email, string activationToken)
{
CustomerDataManager dataManager = this.GetDataManagerInstance();
return(dataManager.FinalizeLinkToExistingCustomer(email, activationToken));
}