# Subjects
From the Main screen, you can search and view, add new, edit or delete a specific school subject.
* **Add a new subject**
1. To add a new subject, click button "Add new"
2. System should pop up an Add New Subject screen, enter value that meet system requirements in these fields
*\*Note: Fields mark with \* must not be left blank.*
3. After fulfilling fields, click "Save" button
4. System should save successfully and display just-new creating subject in the list
* **Edit a subject**
1. To edit a subject, click icon pen as below. Should pop up an Edit Subject screen
2. Make any necessary changes and then click "Save" button
*\*Note: Do not left blank in fields marks with \*.*
3. System should save successfully
* **Delete a subject**
1. To delete a subject, click icon bin as below
2. You should see a confirmation to delete, click "Delete" button
*\*Note: Before deleting, system will automatically check if the selected subject is being used or not. If so subject cannot be delected and will pop up a notification saying "Delete not successfully. This subject is in use."*
3. System should delete successfully
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# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://metfone.gitbook.io/sis-guidelines-system-admin/data-dictionary/academic-data/subjects.md?ask=
```
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The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.