Select data from sap tables WFM_G
Display SAP table details
WFM_GW_QUERY000 - WFM_GW_QUERY : Message structure WFM_GW_QUERY000
WFM_GW_RES000 - WFM_GW_RES : Message structure WFM_GW_RES000
WFM_GW_SEL000 - WFM_GW_SEL : Message structure WFM_GW_SEL000
Return Table index