This figure shows a Parameter Display Portlet wired to a Parameter Form Portlet. The Parameter Form Portlet is titled "Enter Zip Code" and contains a single field labeled "Zip Code". The Parameter Display Portlet is titled "Display Zip Code" and contains a single field labeled "Zip Code". The value in both Zip Code fields is the same: 94065. A red arrow links the two Zip Code fields to indicate that the value in the Parameter Display Portlet is obtained from the Parameter Form Portlet.