A clear screen transaction code allows the user to invoke a transaction, that is a load module, from a clear screen. A clear screen is a screen that contains no user input other than the transaction code and data that is passed with the code. The clear screen transaction code also invokes the transaction from another program, for example, using NEXTTRAN, IMS message switch, or CICS START command.
In CA Gen, a clear screen transaction code can only invoke the first step in a procedure. To invoke a first procedure step from a clear screen or another program, assign a unique clear screen transaction code to the procedure step. This allows the TP monitor and Dialog Manager to identify correctly the procedure step to execute.
CA Gen assumes a procedure step that is not a first procedure step can be invoked only through a dialog flow, not from a clear screen or another program. Therefore, you cannot assign a clear screen transaction code to a procedure step that is not a first procedure step.
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