4D LanguageCommands by themeCommunicationsVersion: 21 R2 BETACommunicationsGET SERIAL PORT MAPPING ( numArray : Integer array ; nameArray : Text array )RECEIVE BUFFER ( receiveVar : Text )RECEIVE PACKET ( {docRef : Time ;} receiveVar : Text, Blob ; stopChar : Text, Integer )RECEIVE PACKET ( {docRef : Time ;} receiveVar : Text, Blob ; numBytes : Text, Integer )RECEIVE RECORD ({ aTable : Table })RECEIVE VARIABLE ( variable : Variable )SEND PACKET ( {docRef : Time ;} packet : Text, Blob )SEND RECORD ({ aTable : Table })SEND VARIABLE ( variable : Variable )SET CHANNEL ( port : Integer ; settings : Integer )SET CHANNEL ( operation : Integer ; document : Text )SET TIMEOUT ( seconds : Integer )USE CHARACTER SET ( map : Text, Operator {; mapInOut : Integer} )