The workflows are used to automate things in the platform.
To open the Workflows view, navigate to Develop ➔ Workflows.
In this space, you can write code that defines the logic and functionality of your workflow. It uses a language similar to Java to express your instructions clearly. Declare variables to store and manipulate data within your workflow. Variables are essential for data handling and flow control. Foreach loops enable you to iterate over collections, such as lists or arrays, to perform repetitive tasks efficiently. Easily integrate external packages and functions into your workflow to extend its capabilities and access additional functionality.

On the upper, you have the button used for debugging.
In this tab you will see if there are any listeners created for this workflow. Ussualy they are not created manually.