code: function pongListUpdateData( divId, paramsObj ) {
    log( "PoNG-List",  'update '+divId );
    var tblDef = poTbl[ divId ].pongTableDef;
  
    if ( poTbl[ divId ].resourceURL != '-' ) {
      
      $.getJSON( tblDef.dataUrlFull, paramsObj ,
        function( data ) {  
          log( "PoNG-List",  JSON.stringify( data ) );
          var subdata = getSubData( data, tblDef.dataDocSubPath );
          pongListSetData( divId, subdata ); 
          publishEvent( 'feedback', {'text':'List data loaded sucessfully'} )
        } 
      ).fail( 
          function() { publishEvent( 'feedback', {'text':'List service offline? Config OK?'} ) } 
      );
      
    }
  }
docs: update data call back hook