The Generate from Usage allows you to use classes and members before you actually define them.
Here’s are the steps we follow to use the Generate from Usage feature
1.Start using a class that doesn’t exist:
2.Now that ,you can generate the class via 2 method
a) right-click and choose Generate -> Class
b) click on the Smart Tag and choose “Generate class for ‘Dollar’ “. 3. Now, You should find a new file called Employee.cs