Is there a way to send arrays using the UDP send block in Simulink?

I am trying to send a vector through UDP via Arduino and therefore i am using the Arduino UDP Send block, from the Arduino Support Library. But i get an error message, when i send an array in Simulink. I also tried the "Arduino Udp Ethernet Shield" Toolbox. According to the description, it is supposed to allow arrays sending through UDP, but after i run the code, Wireshark doesn't show UDP messages being send, rather ARP messages.

Is there a way to send arrays via UDP messages on an arduino uno+ethernet shield programming with simulink?

Please check the Pictures, i attached to the message.

Any solutions would be appreciated. Thank you.