Depending of the enabled field in Vacation type this view generates different fields to fill. More about types Managing Vacation Types.
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There is another disabled field for recurring vacation type End of first period it is an information when period will end. This value is calculated based on period choosen chosen during creating vacation kind.
And for one time vacation type is a Valid through field, enter there a date when the vacation is to be avaliableavailable.
Click add to add definition.
Below you can click You are about to edit those users... this link shows to what users you are trying to add definition.
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Next Vacation Manager HR Management - Vacation definition detailed view
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