hi
This appears to be a list of code units and lines of code that are executed when posting a sales invoice in Business Central. Here's a high-level explanation of what's happening:
The "Item Jnl.-Post Line" code unit (CodeUnit 22) is called to post item journal lines. This includes posting the item quantity and cost to the appropriate general ledger accounts.
The "Sales-Post" code unit (CodeUnit 80) is called to post sales lines. This includes updating the sales order status, calculating the sales amount, and posting the revenue and cost of goods sold to the appropriate general ledger accounts.
The "Gen. Jnl.-Post Preview" code unit (CodeUnit 19) is called to preview the general journal entries that will be created as a result of posting the sales invoice.
The "Sales-Post (Yes/No)" code unit (CodeUnit 81) is called to display a preview of the general journal entries and ask the user to confirm whether to post them or not.
Finally, the "Sales Invoice" page (Page 43) is called to display the sales invoice and allow the user to preview and post it.
Each of these code units and pages contains a set of rules and procedures that ensure the accurate posting of the sales invoice and related transactions to the general ledger accounts.
DAniele