Part-time employees typically work on the same days every week. However, this changes from time to time depending on various circumstances.
First, get permission from your State Manager. Give as much notice as you can when requesting a change to your working days. Aim for a week's notice if possible - the same standard as annual leave.
Send an email using Outlook | New Email | Content Chooser | All Staff Email Templates | Select work-days-temporary-changes
Update you teams status message to reflect your new availability as per Do you use the status message in Teams?
β Figure: Good Example of a Microsoft Teams Status Message