# Step 7: Add a search bar

The original files are located in the following directory.

- https://gitlab.gnome.org/GNOME/gtk/-/blob/main/examples/application7

The original schema file is [here](https://gitlab.gnome.org/GNOME/gtk/-/blob/main/examples/application7/org.gtk.exampleapp.gschema.xml) and the license is LGPL 2.1 or later.

Run `rake` before trying `exampleapp.rb`.

```console
$ cd gtk4/sample/examples/application7
$ rake
$ ruby exampleapp.rb README.md Rakefile
```
