Updated AWS::BillingConductor::CustomLineItem LineItemFilter

You can use LineItemFilter for your CustomLineItem to customize the definition of a billing group's total cost when you include the billing group as a resource value for a percentage custom line item.
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-billingconductor-customlineitem-lineitemfilter.html #billingconductor #cloudformation

Updated AWS::BillingConductor::BillingGroup AccountGrouping

You can use AutoAssociate so that your billing group will automatically associate newly added AWS accounts that join your consolidated billing family.
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-billingconductor-billinggroup-accountgrouping.html #billingconductor #cloudformation