Hello,
(1) Based connected the existent product:
Currently determination is nary BAdI that supports automatically assigning a item-level delivery artifact earlier the income bid is saved.
Instead of BAdI, arsenic a workaround, would you cheque if API - Sales Order (A2X) tin fulfill your requirement, e.g., assigning a "DeliveryBlockReason" (on header level) erstwhile the income bid is created by this API?
See much details from the Help Portal Sales Order Header: DeliveryBlockReason: "Indicates if an full income bid is blocked for delivery".
(2) Besides, you are besides encouraged to taxable a diagnostic petition through the Customer Influence Portal under the section SAP S/4HANA Cloud Public Edition, Sales, e.g., requiring applicable configuration activities which tin assistance you specify default transportation artifact crushed erstwhile income bid is created, etc.
KBA 2963059 - How to Submit Feature Requests for SAP S/4HANA Cloud Product
Thank you!