From the main menu select Advanced Setup and then click on All Lookups.

To view the list of all Schedule Type, select SCHEDULED_TYPE from the list shown under Common Lookup Types on the left of the screen.

To add a new Schedule Type, click on the  button.

Enter a Value and Value Description.

Enter a Code for the Schedule Type. Choose a code according to your convenience. This field is not editable once created.

Select Duration for the appointment, if required.

Click on the checkbox to make a Schedule Type Editable. Click on the checkbox to make a Schedule Type Active.

Click on Update after entering all the required information.