# On the Message to Self element, click the lower message arrow. The properties for the message appear in the Properties window. # In the Properties window, in the Name field, type validateCashOnHandOperation and press Enter. # Right-click the upper message arrow on the Message to Self element and select Operations from the pop-up menu. The following figure indicates where to position the cursor. Note the double bar just above the top arrow.
screen capture showing Message to Self cursor positioning # Choose Operations > Add Operation from the pop-up menu. A one-line editor opens and displays the following information: