Sets options for adding a new attribute reference.
Attributes
Lists all available (defined) attributes. To add a new attribute reference, double-click the row containing the attribute to add.
Functions
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.
Expression
Displays the attribute expression.
Test
Evaluates the attribute expression to determine if errors are present.
Result
Displays the results of the test.