{% data variables.product.product_name %} normalizes a value from your {% ifversion ghec or ghae %}IdP{% elsif ghes %}external authentication provider{% endif %} to determine the username for each new personal account {% ifversion ghae %}on {% data variables.product.product_name %}{% elsif ghec %}in your enterprise on {% data variables.location.product_location %}{% elsif ghes %}on {% data variables.location.product_location %}{% endif %}.