The UDP stream received from the drone specifying what command to use will look like this: []byte{1, 4, 6, 0, 66, 170, 134, 60, 21, 152, 181, 189, 131, 170, 224, 191} where the first 3 values {1,4,06} is a reference to what this command is, and the following bytes are the payload (arguments) for that command.