• Log in on the collaborators app.
• Click on 'My Availability' in the main menu.
• Select the date for which you want to enter your (un)availability. You arrive on the following screen.

• Depending on the settings of your employer, you can now select whether you're (un)available for a whole day, for a specific day part or even for a specific period of time.
• Select 'Available' or 'Unavailable'.
• Enter a period of time if necessary.
• Select an end date if necessary (when you're (un)availability lasts longer than one day).
• Enter a remark if necessary.
• Enter a repetitive (un)availability if necessary.
• Click on 'Confirm'.