Use this dialog box to compare a query attribute with a constant value.
If there are a limited number of valid entries for the attribute, this field includes a drop-down list that you can select a value from. If there are an unlimited number of valid entries for the attribute, a Values button appears, and you can click Values to enter a value using the Values dialog box.
Criterion Properties Dialog Box: General Tab
About Criterion Types
About Query Elements
Using Queries to Locate Resources Overview