You can add notes to a case on the Notes tab on the case details page. You can also add a note to a specific artifact in a case on the Case Timeline tab.
To add a note to a case from the Notes tab:
Open the case and select the Notes tab.
Type your note in the text box and click
.
To add a note to a case from the Case Timeline tab:
Open the case and select the Case Timeline tab.
Click the artifact you want to add a note to.
In the side panel that opens, type your note in the text box and click
.