serverName | SAP system alias for the SAP system that is used as a repository. The alias must match a configured RFC connection alias at Adapter for SAP. |
objectName | Name of the business object to encode. |
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 the pipeline is interpreted as a call or as a response. Possible Values are:  true for call.false for response. Default. |