One embodiment of a method comprises adding an action script to an ordered stack of action scripts maintained by an execution controller, wherein the added action script corresponds to a navigation input received at a first application, the added action script is unpopulated by a data input, and the added action script is added last in an order of the ordered stack. The embodiment also comprises providing the ordered stack of action scripts to a second application by the execution controller, and executing at the second application the ordered stack of action scripts according to the order, the ordered stack having the unpopulated first action script. The embodiment also comprises populating the added first action script with the data input, wherein the data input is received at the first application and the populating occurs after the executing.