Hi Azam!
First, read this information
Delivery Processing - SAP Library
Expected Goods Receipt - Delivery Processing - SAP Library
Using Expected Goods Receipts - Delivery Processing - SAP Library
Generate and Delete Expected Goods Receipts - Delivery Processing - SAP Library
Generate Inbound Delivery from Expected Goods Receipt - Delivery Processing - SAP Library
Generate Inbound Delivery Item from Expected Goods Receipt - Delivery Processing - SAP Library
BR,Alex