to specify a default value for the parameter. Use the filtering window that displays to choose a default member(s), user list, or expression.1. If you haven't done so already, add a parameter group to which the parameter will belong.
2. Right-click the parameter group, and click Insert.
3. Enter a name for the parameter in the properties window that displays.
4. Select a parameter type, either Select Members, User List, Drop Down, or Expression.
5. Enter a text prompt that instructs the user what to do with the parameter. For example, you could enter text such as Choose a user list: for a user list parameter.
6. {Optional} Customize the Display Text property for the parameter. See How Parameter Display Text Interacts with Other Settings for more details and examples.
View – This is the default Display Text selection for all parameter types. Setting this to view means that you want the applicable drop-down list or Select/Advanced Select Members windows for the parameter to display based on the display text setting for the associated level in the view.
Value or Attribute Relationship – Setting the Display Text to a specific attribute (either value or attribute relationship) means that you want the applicable drop-down list or Select/Advanced Select Member windows for the parameter to display using the selected attribute.
Note: Administrative settings in the Select Members Options window can override the parameter Display Text property.
7. Click the Browse button to specify a default value for the parameter. Use the filtering window that displays to choose a default member(s), user list, or expression.
Note: Specifying a default parameter is optional in most cases. It is required if you did not enter a prompt in Step 5.
8. {Optional} Repeat Steps 2 to 7 to add other types of parameters to the group.