2-1Meridian IVR VT100 Gateway Development Guide Product release 2.0/IChapter 2: Template filesThe TRS process uses action and screen templates to maneuver through thescreens of a host application. These templates exchange information with thehost application screens and transfer information to and from the TRS’sbuffers. Coupled with the VT100 emulation software and hardware, theyprovide the host with exactly the same type of input as a terminal operator.This chapter explains how to:• Determine the actions a terminal operator performs to enter and retrieveinformation• Create the action and initial action template files that define the sequenceof host application screens for each transaction• Create the screen template files that define the sequence of fieldsencountered on each screenNote: If you make backups of your template files, do not store them in the/u/ivr/3270 directory or in any subdirectory under /3270. You should make adirectory at the same hierarchical level or higher as /3270. For example, if/u/ivr/3270bak is specified, the TRS process searches the /3270 directory andany subdirectories within it for files with the .act or .scn extensions.Determining the required transactionsImagine that you are an operator sitting at a terminal. In order to perform aspecific task, you type information and press function keys until youaccomplish the desired task. Perhaps a caller asks you to look up a customer’saccount balance, or enter an order. The series of steps you perform at theterminal enable the application on the host computer to complete thetransaction.