Message Determination: Call the master data from the application and create the message as a message- or condition record, that is to say, you define the conditions under which the message is found and proposed, as well as the message properties. For example, you can enter the purchasing organization and the business partner as the conditions and the output medium (in this case 6 for EDI), dispatch time and language in which the message is to be sent as the output properties.

Message processing through IDoc dispatch: The messages are sent by the Message Control module as defined in the condition record, especially with regard to the selected dispatch time. You must also define a dispatch time ("output mode") in the partner profiles of the IDoc interface: standard combinations of the two times are shown in the table below. The Message Control parameters from the partner profiles must also match the corresponding fields in the output type. These parameters are: