The index.jigx file includes links to the s you want accessible as top-level navigation elements. In the previous steps you created a composite , and a static datasource, now you will add these to the index.jigx file to appear on the , and remove the new customer and the list customer widgets which are now joined in the composite . In this step, the jigId is used to reference the composite . The order of the jigId determines the order in which the tabs appear on the . You add the composite jig first in this solution as you want it to be the first bottom tab to display.