How do you check vendor ledger through fbl1n in sap?

To check the vendor ledger using transaction code FBL1N in SAP, first enter the transaction in the command field. Then, input the vendor account number, company code, and any relevant selection criteria like document type or date range. After setting your filters, execute the report to view the vendor line items, which will display transactions related to the selected vendor, including open invoices and payment history. You can further analyze or export the data as needed.