Scripting Xtra extensions are packages of custom functions. They're a way of incorporating functionality into an Authorware piece that Authorware can't provide on its own. For example, the Yamaha MidXtra lets you control MIDI devices, which you can't do with any of the functions that are built into Authorware.
When you place a scripting Xtra file in the Xtras folder and start Authorware, Authorware adds a category for the Xtra extension to the Functions dialog box.
Selecting the category displays a list of the functions contained in the Xtra extension. The syntax and a description of the selected function appears.
You can then select the function you want to use and paste it into a calculation window.
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