retrieveDataRuleModuleCommand =  OMBRETRIEVE DATA_RULE_MODULE 
          "QUOTED_STRING" ( "getPropertiesClause" | "getReferenceIconSetClause" 
          )
     getPropertiesClause =  GET PROPERTIES "(" "propertyNameList" ")"
     getReferenceIconSetClause =  GET ( REF | REFERENCE ) ICONSET
     propertyNameList =  "UNQUOTED_STRING" { "," "UNQUOTED_STRING" }