To obtain a list of students who have chosen optional subjects, follow these steps:

1. Access the "Reports - Student" section on the online platform.
2. Click on "Student Optional Subject" to view the report dedicated to students who opted for optional subjects.
3. Within the student optional subject report page, utilize the "Advanced Search" feature.
4. Select the Academic Session or Sessions for which you require the report.
5. Click on the "Search" button to initiate the search.
6. The system will generate and display the list of students who have chosen optional subjects based on your selected academic session(s).

By following these steps, you can easily obtain a comprehensive list of students who have opted for optional subjects by navigating to the Reports - Student section, selecting the Student Optional Subject report, performing an advanced search by specifying the academic session(s), and retrieving the relevant information.