To specify a location condition

1. Select the command for which you want to create an expression.
2. Click Location and select a location condition.

   The dialog box is hidden while you specify the area for the condition.

3. In the model, click once to specify the center of the area. Then drag to define the area. Double-click to finish the area definition and return to the dialog box.

   The Expression Editor inserts the expression for the area you defined. Do not edit this expression.

   For help with any expression element, see Creating Expressions - Reference.

4. Click OK to apply the expression.