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Message
Control 
Message control is the central process for Output Control in DSD. Using message control, the system automatically controls the output or subsequent processing of messages that are linked to shipments and visit lists. In Customizing for Output Control you define the processing routine with which the download is executed for each application and transmission medium (IDoc or printout).
Output Control uses condition technique from the ERP system.
Message control can be divided into different sections:
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1. Output Determination
Output determination is successful if the system finds the correct conditions defined in Customizing when it saves the visit lists or shipments for a particular combination of data. Output determination defines whether and when (shipping time) the system must process a particular output type for a sales document object. There is an output determination schema for each shipment type and visit plan type (1:1 ratio).
2. Output Processing
Output processing begins with the shipping time. The system creates a message depending on the results of output determination and carries on processing this message for a defined period of time. Output processing creates the printout or the IDocs. Output processing runs differently for shipments and visit lists depending on the type of download (printout or IDoc). After the download, the system creates a processing log.
3. Message Processing
In the maintenance transaction for visit lists, you can process, with the correct authorization, all related messages for a visit list:
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Messages for visit
list
The system displays all messages for the selected visit list.
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Messages for the
shipment
If the system has assigned a shipment to a selected visit list via the
header-reference documents, it displays all messages for this shipment
document.
For each message you can display the processing parameters and the processing log. You must have the correct authorization to be able to process messages (for example, repeat, delete, change).
For more information about output control, see the standard system.
