Step 1>> Go to Set u

Step 2 >>  Click on the Staff schedule with the specific staff as shown below 

Step 3>> Click on Edit to go to the exsiting schedule as shown below 

Step 4>> Scroll to the bottom of the schedule page and you will find Extra slot
                NOTE: this option is used ONLYwhen a staff is regulary OFF on the Main schedule and you want to schedule or show staff availability for a specific day.

a, First block is to set the FROM date and time as shown below , after you select the date and time, click outside the box, FROM time will be set accordingly.

b, Second block is to set the " TO " date and time as shown below , after you select the date and time, click outside the box, " TO " time will be set accordingly as shown below 

Step 5>> After you set the FROM and TO time, please click on the ( + ) Symbol to ADD time slots on the schedule and then click on SAVE. as shown below

NOTE : You can add Multiple blocks of time for a specifc day with an interval of your choice.