Here is the complete code of the SearchLibrary.egl file. If you see any errors marked by red X symbols in the file, make sure your code matches the code in this file: Completed SearchLibrary.egl file after lesson 4.
The customersearch.egl file looks like this when you are done (some functions are compressed, indicated by a plus sign in the left margin of the page):

Here are some technical notes on the code you just added:
Here is the complete code of the customersearch.egl file. If you see any errors marked by red X symbols in the file, make sure your code matches the code in this file:Completed customersearch.egl file after lesson 4