Modifying the look and feel of invoices, adding extra columns for GST/HSN tracking, or creating custom voucher types.

| Keyword | Purpose | Example | | :--- | :--- | :--- | | ##SV | Current Value (Screen Value) | ##SVAmount | | $$ | System Function / Evaluation | $$LocaleString | | ## | Variable/Field Access | ##PartyName | | IF ... THEN ... ELSE | Conditional logic | IF ##VoucherType = "Sales" THEN ... | | Role: | User access control (Admin vs. User) | Role: Admin | | Collection: | Data fetching | Collection: Ledgers Where IsGroup = "Yes" | | Field: | Input/Display UI element | Field: MyDateField | | Key: | Keyboard shortcuts | Key: Ctrl+Alt+R | | Alert | Pop-up message box | Alert "Invalid Entry" |

When you open a sales voucher in Tally ERP 9, a new dropdown appears asking for "Mode of Transport". This data gets saved with the voucher and can be printed.