OpenIntegrations/docs/en/examples/WebSocket/GetMessage.txt

    Address = "wss://127.0.0.1:8443";
    NeedProxy = True;
    NeedTLS   = True;

    Headers = New Map;
    Headers.Insert("X-Trace-Id", "OPI-WS-TEST");

    If NeedTls Then
        TLSSettings = OPI_WebSocket.GetTlsSettings(True);
    EndIf;

    If NeedProxy Then

        ProxyAddress = "127.0.0.1";
        ProxyPort    = "8071";
        ProxyType    = "http";

        ProxtUser     = "proxyuser";
        ProxyPassword = "12we...";

        ProxySettings = OPI_AddIns.GetProxySettings(ProxyAddress
            , ProxyPort
            , ProxyType
            , ProxtUser
            , ProxyPassword);

    EndIf;

    Connection = OPI_WebSocket.CreateConnection(Address, TLSSettings, ProxySettings, Headers);

    Message = "echo-text-" + Format(CurrentDate(), "DF=yyyyMMddhhmmss");

    If OPI_WebSocket.IsClientObject(Connection) Then

        // Sending a message to the ECHO server
        Sending = OPI_WebSocket.SendTextMessage(Connection, Message);

        // Skipping all responses from the server until the last one
        While True Do

            LastMessage = OPI_WebSocket.GetMessage(Connection, 3000); // <----

            If LastMessage["result"] Then
                Result = LastMessage;
            Else
                Break;
            EndIf;

        EndDo;

    Else
        Result = Connection;
    EndIf;