# Downlink Message
The following Downlink message must be used by all connections from IoT cloud platforms to ThingPark X IoT Flow, regardless of their types.
{
"DevEUI_downlink": {
"Time": "2018-10-17T15:38:46.882+02:00",
"DevEUI": "0018B20000000B20",
"FPort": "8",
"payload_hex": "9e1c4852512000220020e3831071",
"Confirmed": "1",
"ValidityTime": "2018-10-17T16:38:46.882+02:00",
"FlushDownlinkQueue": "1"
}
}