#File:MyFirstTDL.txt [System: UDF] Add : Report : MyCustomReport
[Report: Balance Sheet] Title : "Statement of Financial Position" Note: Yes, it is literally that simple. To master TDL for Tally ERP 9, memorize these keywords: tdl for tally erp 9
[Form: MySimpleForm] Parts : Part:Header, Part:Body #File:MyFirstTDL
[Report: MyCustomReport] Title : "Hello World Report" Form : MySimpleForm But if you run a transport business or
For a business, investing in a TDL developer for a one-time customization (like automating GST calculations or customizing a delivery challan) often yields a 10x ROI by saving hours of manual labor every month.
[Field: TransportField] Use : Field.Default Name : Vch_transport Caption : "Mode of Transport" Type : String Table : "Air", "Road", "Rail" Storage : Vch_transport_storage
Here are five scenarios where TDL is not just helpful, but essential: Generic Tally doesn't have a field for "Vehicle Number" in a Sales Order. But if you run a transport business or a building material supply company, this data is mandatory. TDL lets you add these fields. 2. Workflow Automation You can write TDL to auto-populate Narration based on the party selected, or automatically apply a discount if the bill amount exceeds $10,000. This reduces human error. 3. Report Customization The default "Ledger-wise Summary" might not show what your CEO wants. TDL allows you to create a custom "Top 10 Profitable Customers" report with drill-down functionality. 4. Printing Control The default print format for invoices is basic. With TDL, you can design pixel-perfect, pre-printed stationery layouts, add barcodes to invoices, or print thermal labels for warehouse picking. 5. Data Validation Stop mistakes before they happen. You can write TDL that prevents saving a voucher if the "HSN Code" is missing or if a sales invoice is being created for a customer with an expired credit limit. Part 3: The Architecture of TDL (How It Works) Before you write your first line of code, you need to understand the hierarchy. TDL is not a linear script like Python; it is a collection of Objects .