# aws-cdk-lib.interfaces.aws_invoicing

| Name | Kind | Summary |
| --- | --- | --- |
| [`IInvoiceUnitRef`](/v2/docs/aws-cdk-lib.interfaces.aws_invoicing.IInvoiceUnitRef) | Interface | Indicates that this resource can be referenced as a InvoiceUnit. |
| [`InvoiceUnitReference`](/v2/docs/aws-cdk-lib.interfaces.aws_invoicing.InvoiceUnitReference) | Struct | A reference to a InvoiceUnit resource. |
| [`IProcurementPortalPreferenceRef`](/v2/docs/aws-cdk-lib.interfaces.aws_invoicing.IProcurementPortalPreferenceRef) | Interface | Indicates that this resource can be referenced as a ProcurementPortalPreference. |
| [`ProcurementPortalPreferenceReference`](/v2/docs/aws-cdk-lib.interfaces.aws_invoicing.ProcurementPortalPreferenceReference) | Struct | A reference to a ProcurementPortalPreference resource. |