A clear screen transaction code allows the user to invoke a transaction (procedure step). A clear screen is a blank screen that contains no input other than the transaction code and any free-form (unformatted) data passed with it. The clear screen transaction code may also be used to invoke the transaction from another transaction (using CA Gen NEXTTRAN).
If you want to be able to invoke a procedure step from a clear screen or another transaction, you must assign a unique clear screen transaction code to the procedure step. This allows the TP monitor and Dialog Manager to correctly identify the procedure step to execute. The Dialog Manager is discussed in detail in the chapter on system generation and installation.
If you do not want a transaction to be invoked from a clear screen, but you still want to be able to access that transaction, ensure that the procedure step is flowed to and assign a dialog flow transaction code.
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