How do I register that an employee is not available?

An employee can be registered as unavailable for planning using a note.

1. Select the employee
2. Click on the tab Activities 
3. Click on New and select New note
   
   
   
4. Complete all required fields 
5. Enter the date from when the employee is unavailable for planning
6. Enter the date until the employee is unavailable for planning
7. Select a reason
8. Click on Save & close