MQL5 ReferenceStandard LibraryTrade ClassesCDealInfoPositionId OrderTimeTimeMscDealTypeTypeDescriptionEntryEntryDescriptionMagicPositionIdVolumePriceCommisionSwapProfitSymbolCommentInfoIntegerInfoDoubleInfoStringTicketSelectByIndex PositionId Gets the ID of position, in which the deal was involved. long PositionId() const Return Value ID of position, in which the deal was involved. Note The deal should be selected using the Ticket (by ticket) or SelectByIndex (by index) methods. Magic Volume