what to do when i run the matlab coding it show "configuremulticast" is supported only on "windows in the command window

clc;
clear all;

uSender = udpport()
 
uReceiver1 = udpport("datagram", "LocalPort", 3030, "EnablePortSharing", true)
uReceiver2 = udpport("LocalPort", 3030, "EnablePortSharing", true)
 
configureMulticast(uReceiver1, "226.0.0.1");
configureMulticast(uReceiver2, "226.0.0.1");
 
uReceiver1.MulticastGroup
uReceiver1.EnableMulticast
 
uReceiver2.MulticastGroup
uReceiver2.EnableMulticast
 
write(uSender,"Hello world! Together we fight #covid-19!","string","226.0.0.1",3030);
 
uReceiver1Count = uReceiver1.NumDatagramsAvailable
uReceiver2Count = uReceiver2.NumBytesAvailable
 
data1 = read(uReceiver1,uReceiver1Count,"string");
data1.Data
data2 = read(uReceiver2,uReceiver2Count,"string")
 
configureMulticast(uReceiver1, "off");
configureMulticast(uReceiver2, "off");
 
clear uReceiver1;
clear uReceiver2;
clear uSender;   

Answer 1

[Walter Roberson]

you are correct that new function is only available for windows.

https://www.mathworks.com/help/instrument/udpport.configuremulticast.html

but see https://www.mathworks.com/matlabcentral/answers/56534-does-matlab-support-udp-multicast#answer_239823