Tally TDL Course – Mastering Tally Customization & Automation

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About Course

Course Description

This comprehensive Tally TDL Course (Tally Definition Language) course is designed for developers, accountants, and business professionals who want to customize, automate, and extend the functionality of TallyPrime. Whether you’re a beginner or an advanced user, this course provides a step-by-step approach to mastering TDL with real-world applications.

What You Will Learn:

✔ Introduction to TDL & TallyPrime Developer – Understanding the fundamentals of TDL and setting up the development environment.
✔ TDL Components & Syntax – Working with Reports, Forms, Parts, Lines, Fields, and Collections.
✔ Dynamic Variables & Functions – Creating interactive reports, automating calculations, and processing user inputs.
✔ Advanced TDL Features – Using Events, Actions, Filters, and Sorting Data in Reports.
✔ Customization & Automation – Modifying default Tally reports, invoices, and dashboards.
✔ Database Integration – Fetching data from SQL, XML, JSON, and external APIs.
✔ Real-Time Web API Integration – Connecting Tally with live stock prices, currency rates, WhatsApp, and Email APIs.
✔ Payroll & GST Automation – Generating salary slips, tax reports, and auto-emailing invoices.
✔ Security & Licensing – Protecting your TDL applications with authentication and licensing systems.

Who Can Take This Course?

✅ Tally Users who want to automate business processes.
✅ Tally Developers who want to build custom solutions for clients.
✅ Business Owners who need custom reports and integrations.
✅ Accountants & IT Professionals who want to extend Tally’s capabilities.

By the end of this course, you will be able to develop powerful TDL applications that enhance productivity, automate tasks, and integrate Tally with external platforms seamlessly. 🚀

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What Will You Learn?

  • ✅ Understanding TDL and its importance.
  • ✅ Setting up TallyPrime Developer for scripting.
  • ✅ Writing and loading your first TDL program.
  • ✅ Working with Reports, Forms, Parts, Lines, and Fields.
  • ✅ Using Variables and Functions for data manipulation.
  • ✅ Adding Custom Menus, Reports, and Buttons in Tally.
  • ✅ Fetching and filtering data using Collections and Methods.
  • ✅ Implementing Events, Actions, and Conditional Formatting.
  • ✅ Creating interactive user input fields and dynamic forms.
  • ✅ Customizing Sales & Purchase Vouchers with additional fields.
  • ✅ Designing custom invoices with branding and extra details.
  • ✅ Generating automated MIS and Business Intelligence Reports.
  • ✅ Connecting Tally with SQL Databases for real-time data.
  • ✅ Importing and exporting data via XML, JSON, and Excel.
  • ✅ Integrating Web APIs to fetch live stock prices and currency rates.
  • ✅ Automating GST & Payroll Processing with TDL.
  • ✅ Sending Invoices and Payment Reminders via WhatsApp & Email APIs.
  • ✅ Implementing Role-Based Access & Licensing Systems for security.
  • ✅ Building, deploying, and automating Tally solutions using TDL.

Course Content

Chapter 1: Introduction to TDL and TallyPrime Developer
🔹 Lesson 1.1: What is TDL? (Definition, Purpose, Features) 🔹 Lesson 1.2: Setting Up TallyPrime Developer (Installation & Environment) 🔹 Lesson 1.3: Understanding TDL File Structure (Syntax, Components) 🔹 Lesson 1.4: Writing Your First TDL Script (Hello World Program) 🔹 Lesson 1.5: Loading and Testing TDL in Tally (Practical Execution) 🔹 Lesson 1.6: Modifying Existing Tally Menus and Reports (Customization) 🔹 Lesson 1.7: Debugging Errors in TDL (Finding and Fixing Bugs)

  • Lesson 1.1: What is TDL?
    01:32
  • Lesson 1.2: Setting Up TallyPrime Developer
    25:45
  • Lesson 1.3: Understanding TDL File Structure
    03:02
  • Lesson 1.4: Writing Your First TDL Script
    13:43
  • Lesson 1.5: Loading and Testing TDL in Tally
    03:20
  • Lesson 1.6: Modifying Existing Tally Menus and Reports
    23:51
  • Lesson 1.7: Correct Structure of a TDL File
    14:25
  • Lesson 1.8: Correct Naming Conventions in TDL
    00:50
  • Lesson 1.9: Using Comments in TDL
    02:43

Chapter 2: Important Perspective of TDL
🔹 Lesson 2.1: Core Components of TDL 🔹 Lesson 2.2: Modifiers and Data Types 🔹 Lesson 2.3: Operators and Functions 🔹 Lesson 2.4: Advanced TDL Architecture & Integration

Chapter 3: Definitions, Attributes, and Modifiers
🔹 Lesson 3.1: Report Related Attributes 🔹 Lesson 3.2: Form Related Attributes 🔹 Lesson 3.3: Part Related Attributes 🔹 Lesson 3.4: Line Related Attributes 🔹 Lesson 3.5: Field Related Attributes 🔹 Lesson 3.6: Border, Style and Color Related Attributes 🔹 Lesson 3.7: Variable Related Attributes 🔹 Lesson 3.8: Button and Key Related Attributes 🔹 Lesson 3.9: Collection Related Attributes

Chapter 4: Data Type Operators and Expressions
In TDL (Tally Definition Language), data types, operators, and expressions are fundamental concepts that allow developers to define, manipulate, and process data effectively.

Chapter 5 : Symbols and Prefix
Symbols and prefixes play a crucial role in accessing and manipulating data, defining formulas, and modifying existing definitions

Chapter 6 : Dimensions and Formatting
dimensions and formatting are essential for designing the layout and appearance of reports, forms, and other interface elements

Chapter 7: Objects and Collections
TDL is a completely object-oriented language, meaning that everything in TDL revolves around objects and collections. Whether you're creating an interface or storing data in the Tally database, the fundamental building blocks are objects.

Chapter 8: Actions, Events, Buttons, and Keys
Actions, events, buttons, and keys are essential components in TDL that enable developers to create interactive and dynamic user interfaces in Tally. By understanding how to use these elements effectively, developers can build powerful and flexible solutions that cater to complex business requirements.

Chapter 9: TDL Procedural Capabilities / Functions
TDL (Tally Definition Language) has evolved to include procedural capabilities, allowing developers to define functions that can execute a sequence of actions, perform complex calculations, and manipulate data. These functions provide developers with greater control over the execution flow, enabling them to write more sophisticated business logic within Tally.

Chapter 10 : Variables
Variables in TDL (Tally Definition Language) are essential entities that hold values during the execution of a program. They are lightweight data structures that can store single or multiple values of the same or different types. Variables are context-free, meaning they do not require any specific object context for manipulation. They can be declared at various scopes, such as System, Report, and Function levels, and can be used to perform complex computations, store data, and manipulate information within Tally.

Chapter 11: User Defined Fields (UDF), Validations, and Controls
In TDL (Tally Definition Language), User Defined Fields (UDFs), Validations, and Controls are essential tools for customizing Tally to meet specific business requirements. They allow developers to extend the functionality of Tally by adding new fields, enforcing data integrity, and controlling user interactions

Chapter 12: Reports and Printing
Reports and printing are critical components of TDL, enabling developers to design and generate various types of reports in Tally. These reports can be tabular, hierarchical, or columnar, and they can be printed in different formats. Below is a detailed explanation of reports and printing in TDL.

Chapter 13: Writing Remote Compliant TDL Reports
TallyPrime, a powerful business management software, enables users to access organizational data from anywhere through remote access. This capability is facilitated by the Client/Server architecture, where the client (user interface) communicates with the server (data repository) using XML-based requests and responses. To ensure optimal performance and seamless functionality in a remote environment, TDL (Tally Definition Language) reports need to be designed with remote compliance in mind. This document provides a comprehensive guide on how to write remote-compliant TDL reports, focusing on minimizing server calls and optimizing performance.

Chapter 14: Voucher and Invoice Customisation
Tally Definition Language (TDL) allows users to customize vouchers and invoices to meet specific business requirements. This document provides a detailed guide on how to customize vouchers and invoices in Tally, covering the classification of vouchers, their structure, and various customization techniques.

Chapter 15: e-Invoicing
This guide provides detailed instructions for developers on how to enable and customize e-Invoicing for Saudi Arabia (KSA) in TallyPrime. It covers the introduction of new fields, parts, and functions required for KSA e-Invoicing, as well as guidelines for customizing invoices and integrating e-Invoicing features.

Chapter 16: Advanced Reporting Techniques in TDL
Drill-down reports allow users to navigate from summary-level data to detailed records. This enables users to click on a report line and view in-depth details.

Chapter 17: Advanced Data Processing and Integration in TDL
Tally allows seamless integration with external data sources such as SQL, XML, JSON, and ODBC databases. This helps businesses to import, export, and analyze real-time data efficiently.

Chapter 18: Real-Time API Integration and Automation in TDL
API (Application Programming Interface) integration allows real-time communication between Tally and external services such as WhatsApp, Email, Payment Gateways, and E-Commerce Platforms.

Chapter 19: Building, Debugging, and Securing TDL Projects
In this chapter, we will cover the complete process of building a full TDL project, debugging scripts, and securing your TDL applications using licensing and encryption.

Chapter 20: Deploying, Maintaining, and Optimizing TDL Projects
After developing a TDL project, it is essential to deploy, update, and maintain it efficiently to ensure smooth operation in a business environment. This chapter covers the best practices for deployment, performance optimization, version control, and future-proofing TDL scripts.

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We developed best tools for transferring Data from Excel to Tally software. Also provide TDL files to customize Tally. Tally TDL tutorials also available. Also focus on software tutorial related to business.