When prompt build options for a manually triggered build, it is often desirable to chain two or more selection boxes together so that available choices of latter selection box are calculated based on selected value of prior selection box.
h1. Demonstration
# Switch to the [demo configuration|http://demo.pmease.com/dashboard/96]
# Switch to the [demo configuration|http://demo.pmease.com/dashboard/96], and hit the run button.
# The build option page prompts user to select a directory and a file inside that directory.
# Select different directory, and the available choices of the file selection box will change based on