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Create a new presentation.
Under Layout > Zones click Add Zone. Resize the zone and give it a name. In the image above, we’ve named the zone "Event Handler."
Under Properties > Type set the zone to an Audio zone.
Switch to the Content tab.
Make the presentation interactive by toggling the Interactive switch to on.
Navigate to Widgets and drag and drop the Event Handler widget to into the playlist area.
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Under Events, click the UDP event to activate it, and then click on the Event Handler state to attach it
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, as shown in the image below
In Event Properties > Specify UDP Input enter the UDP input that the player will be listening for (e.g., “AMX_Command1").
With the state selected (notice that Event Properties turns to State Properties), click the Advanced tab and click Add Command.
Select the type of serial command that you would like to send once the specified UDP input message is received (Serial-send string with EOL, Serial-send string without EOL, or Serial send byte).
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