objectName | Name of the business object. |
bapiName | Name of the BAPI. |
$encoding | Optional. Specifies the encoding used in the output document's XML header, e.g. iso-8859-1. |
$call | Optional. Flag indicating whether pipeline represents a request or response of a function module. Possible values are:  true for request.false for response. |
$abapexception | Optional. If this object is in the pipeline, an Exception document will be created. |
$metabapi | Optional. Contains metadata information about the BAPI, that is encoded. |