Completing the Template Properties dialog box
Use the Template Properties dialog box to show or hide
content in a template-based page.
In the Name list, select a property.
Contribute
updates the bottom of the dialog box to show the label of the selected
property and its assigned value.
In the field to the right of the property label, edit the
value to modify the property.
Click Apply to apply changes without closing the dialog box,
or click OK to apply changes and close the dialog box.