Línguagem 4D Commands by theme CommunicationsVersão: 21 R4 BETACommunicationsGET SERIAL PORT MAPPING ( numArray : Integer array ; arrayNome : Text array ) RECEIVE BUFFER ( receiveVar : Text ) RECEIVE PACKET ( {docRef : Time ;} receiveVar : Text, Blob ; stopChar : Text )RECEIVE PACKET ( {docRef : Time ;} receiveVar : Text, Blob ; numBytes : Integer ) RECEIVE RECORD ({ tabela : Table }) RECEIVE VARIABLE ( variavel : Variable ) SEND PACKET ( {docRef : Time ;} pacote : Text, Blob ) SEND RECORD ({ tabela : Table }) SEND VARIABLE ( variavel : Variable ) SET CHANNEL ( porta : Integer {; configuraçao : Integer} )SET CHANNEL ( operaçao : Integer {; documento : Text } ) SET TIMEOUT ( segundos : Integer ) USE CHARACTER SET ( mapa : Text, Operator {; mapaEntradaSaida : Integer} )