Description for the Expression Builder

This image shows the Expression Builder. On the left side is the Inputs section. Below this is the View list, Filter link, and Detach link. Below this is the Source section and the search facility. Below this is the Source element tree. The records source element is mapped to the Expression field. Below this the Expression Summary field has a value of count(records). In the middle is the > button that was used to map the records value to the Expression field on the right side. Below the Source section is the View list and the Detach button. Below this is the Component section, with a value of count in the Search field. Below this the count Node-set is selected.