Sets options for adding a new attribute reference.
Lists all available (defined) attributes. To add a new attribute reference, double-click the row containing the attribute to add.
Lists the functions that can be executed as part of the expression. To add a function reference, double-click the function in the tree view of the Expression Builder.
Displays the attribute expression.
Evaluates the attribute expression to determine if errors are present.
Displays the results of the test.