To access the list of work time types, go to: HR & Payroll > See Also > Work Time Types. Work time types are available only if the HR and Payroll module is enabled.
The list should include all the different work time types that are allowed in the company: regular working time, overtime worked, vacations, sick leave, unpaid absences, time on business trip, maternity leave, and so forth). This master data is used in time sheets (for informational purposes) to designate how employee spent work hours during each day of the month. 
The Work Time Types list
Initially, the list includes some of the generally-used types of work time. You can add new work time types. Note Notice that although editing of
existing types is allowed, you must not change how the predefined work time types was intended to be used.
A mark in the Working Time column indicates that this work time type is used to designate the work time.
A mark in the Unpaid Time column indicates that this work time type is used .
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to designate the unpaid time which is deducted from the employee length of service for calculation of paid vacations, benefits, and termination pay.
The toolbar buttons
To add a work time type, click Create on the toolbar. To edit a work time type, double-click the line with its description or click the line and then, More on the toolbar, and Edit from the drop-down list.
Click Find if you need to locate a specific work time type. Click the Cancel Search button to stop search.
As the list is populated, you can change its display settings. Click More actions on the toolbar and select Configure list. For more information on the list settings, see Work with the item list.
For description of other buttons, refer to List toolbar.