From the Design Gateway,
select a model.
Select the component that contains the parameters that you want to edit.
Click the Parameters tab, and select the parameters
by holding down the SHIFT or the CTRL keys.
Note:
When an aggregate is selected, changes to all features
except Mode are applied to all scalar and non-aggregate
members within the aggregate.
Right-click any of the selected parameters, and select Edit
Selected.
The Edit Parameters dialog box appears.
Click an attribute to change the value, as desired.
For more details on each option, see About Parameters.
The values that you enter are applied to all the parameters that you
have selected on the Parameters tab.
Click OK to save your changes and to close the
Edit Parameters dialog box.