To initialize a message assembly component in the output message, you add the message assembly component to the output message only. The input values are ignored. You define new values for the elements in the output message assembly structure.
When you initialize a message assembly structure, you ignore the incoming values and define new values on the output message assembly.
To initialize different message assembly components, complete the following steps:
Configure the message map body parts. For more information, see Mapping input to output elements manually or Mapping input to output elements automatically.