Select data from sap tables PERO
Display SAP table details
PEROP_EXT_HEADERX_STY - Change Parameters: Period of Performance for External Header
PEROP_EXT_HEADER_STY - Period of Performance for External Header
PEROP_SERVICE_LINEX_STY - Change Parameters: Period of Performance for Service line
PEROP_SERVICE_LINE_STY - Period of Performance Structure
Return Table index