To do this you need to go to your Appraisals
and go to the Upcoming staff appraisals or Previous staff appraisals and click on View next to the relevant appraisal
You will then see a new page where you can Add a note about this appraisal and attach any relevant files and click on Post update
Once you have posted the updated the note and files appear in a list on the page
When notes or files are posted to the appraisal wall everyone involved with that appraisal are sent an email notification.