Default Security Filter Dialog Box (Model Designer)
Select the attribute that you want to use as the default security filter. The attribute must have the IsFilter property set to True. Otherwise, the report model will report an error.
Locate the entity or a related entity that contains the attribute you want to use.
View the fields contained in the selected entity. When you locate the field that you want to use, select it and then click OK.
Click to launch the Search dialog box.
Click to return to the next entity up the hierarchy.