Ask your supervisor first, as it very well may be that no holiday time has been created for you.
Your supervisor can follow the steps below to create this for you.
1. Log-in to the portal
2. Click Employees and select an employee
3. Under Rules and Allowances, select "Leave Days."
4. Select the type of leave and the number of days
5. Lastly, specify a date to renew the leave again
6. Click the "Save" icon