Tally Definition Language (TDL) is a programming language specific to TallyPrime, which is a popular accounting software widely used by businesses for financial management and reporting. TDL allows users to customize and extend the functionality of TallyPrime according to their specific requirements.
If you're looking for an introduction to TDL and want to learn how to develop customizations and extensions for TallyPrime, checkout course content below, what you can expect from a TDL course