A valid IDoc message flows out of SAP and is sent to the MQSeries link for R/3.
When this IDoc has been successfully committed to the outbound WebSphere MQ queue, the input node of the message flow reads it from that queue and generates the syntax element tree.
The Compute node manipulates this syntax element tree and, when it has finished, passes the output message to subsequent nodes in the message flow. When the message reaches the output node, the IDoc parser is called to rebuild the bit stream from the tree.
The message flow must create an output message in a similar format to the input message.
See Field names of the IDoc parser structures for the field names in the DC and DD recognized by the IDoc parser
SET OutputRoot = InputRoot; SET OutputRoot.IDOC.DC[1].tabnam = 'EDI_DC40 '; SET OutputRoot.IDOC.DD[2].sdatatag.MRM.maktx = 'Buzzing all day';
The first line copies the incoming IDoc to the outgoing IDoc.
The second line sets the tabname of the first DC.
The third line uses the second DD segment, which in this example is of type E2MAKTM001, and sets the maktx field.
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