You can specify validity dates for characteristics. Validity dates can be set for characteristics of all primitive and control types.
Note:
Validity dates are not the same as the date range that you specify when you set a characteristics control type to Calendar.You do not have to specify both a start and end date. You can specify only one. For example, you can specify a start date but no end date.
To specify validity dates for a characteristic:
From the Studio menu, select Show Design Perspective.
Click the Dictionary tab.
Select the data element that you want to tag as a characteristic.
The Data Element tab appears in the Data Schema editor.
Click the Characteristics tab.
To specify a start date, do the following:
Select the Start Date check box.
Enter or select a date on which the characteristic becomes valid.
To specify an end date, do the following:
Select the End Date check box.
Enter or select a date after which the characteristic becomes invalid.
From the File menu, select Save.