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_sendUDPchn
Send a Udp message, specifying the sending udp channel, internet address of the udp server, and the message to send. A udp channel is created through the _setUDP function.

I _sendUDPchn (
Chn _udp_channel_
S _udp_address_
Comm _message_
)
Parameters

_udp_channel_
the message will be sent through this channel.
_udp_address_
defines the udp address where to send the message. It must be 'ip_address:port', such as '1.2.3.4:1234'
_message_
message to send
Return value

always 0