Outdated examples in the documentation

### Description
- Some of the examples in the documentation are outdated and don’t work with the latest version of the project.
- This can lead to confusion and frustration for users trying to follow along with the docs.
- Updating the examples would make the documentation much more helpful and reliable.

### Expected behavior
- The documentation should have up-to-date examples that work with the current version of the project.
- Users should be able to copy and paste examples and expect them to work without modification.