To block out times when you will be unavailable to work,

1. Go to Schedule and select the Add Unavailability button.
   
2. An Add Unavailability window will pop up. Fill out all of the necessary information such as Start Date, Start and End Time.
3. If would like to repeat the entered times over multiple days, select the Repeat button.
4. Choose the days when the unavailability should be repeated, and set the End Date.
5. Once done, select Create.
   

Once saved, your schedule should reflect your unavailability.