On the Sheet List tab, right-click the
sheet set node.
In the Sheet Set Properties dialog box,
click the Edit Custom Properties button.
In the Custom Properties dialog box,
do one of the following:
Click Add to create a new custom property
for the sheet. Click the name and the default value to enter the
information for these fields. To assign this property to the sheet,
make sure that Sheet is selected under Owner.
Click the name and the default value
to change the information for these fields. With this method, you
can change the value for every sheet in the sheet set.
Click a custom property from the list.
Click Delete to remove the property.