list_queued_messages

list_queued_messages(**kwargs)

List queued messages in the downlink queue.

See also: AWS API Documentation

Request Syntax

response = client.list_queued_messages(
    Id='string',
    NextToken='string',
    MaxResults=123,
    WirelessDeviceType='Sidewalk'|'LoRaWAN'
)

Parameters

• Id (string) --

  [REQUIRED]

  The ID of a given wireless device which the downlink message packets are being sent.

• NextToken (string) -- To retrieve the next set of results, the nextToken value from a previous response; otherwise null to receive the first set of results.
• MaxResults (integer) -- The maximum number of results to return in this operation.
• WirelessDeviceType (string) -- The wireless device type, whic can be either Sidewalk or LoRaWAN.

Return type

dict

Returns

Response Syntax

{
    'NextToken': 'string',
    'DownlinkQueueMessagesList': [
        {
            'MessageId': 'string',
            'TransmitMode': 123,
            'ReceivedAt': 'string',
            'LoRaWAN': {
                'FPort': 123,
                'ParticipatingGateways': {
                    'DownlinkMode': 'SEQUENTIAL'|'CONCURRENT'|'USING_UPLINK_GATEWAY',
                    'GatewayList': [
                        {
                            'GatewayId': 'string',
                            'DownlinkFrequency': 123
                        },
                    ],
                    'TransmissionInterval': 123
                }
            }
        },
    ]
}

Response Structure

• (dict) --

  • NextToken (string) --

    To retrieve the next set of results, the nextToken value from a previous response; otherwise null to receive the first set of results.

  • DownlinkQueueMessagesList (list) --

    The messages in the downlink queue.

    • (dict) --

      The message in the downlink queue.

      • MessageId (string) --

        The message ID assigned by IoT Wireless to each downlink message, which helps identify the message.

      • TransmitMode (integer) --

        The transmit mode to use for sending data to the wireless device. This can be 0 for UM (unacknowledge mode) or 1 for AM (acknowledge mode).

      • ReceivedAt (string) --

        The time at which Iot Wireless received the downlink message.

      • LoRaWAN (dict) --

        LoRaWAN router info.

        • FPort (integer) --

          The Fport value.

        • ParticipatingGateways (dict) --

          Choose the gateways that you want to use for the downlink data traffic when the wireless device is running in class B or class C mode.

          • DownlinkMode (string) --

            Indicates whether to send the downlink message in sequential mode or concurrent mode, or to use only the chosen gateways from the previous uplink message transmission.

          • GatewayList (list) --

            The list of gateways that you want to use for sending the downlink data traffic.

            • (dict) --

              Gateway list item object that specifies the frequency and list of gateways for which the downlink message should be sent.

              • GatewayId (string) --

                The ID of the wireless gateways that you want to add to the list of gateways when sending downlink messages.

              • DownlinkFrequency (integer) --

                The frequency to use for the gateways when sending a downlink message to the wireless device.

          • TransmissionInterval (integer) --

            The duration of time for which AWS IoT Core for LoRaWAN will wait before transmitting the payload to the next gateway.

Exceptions

• IoTWireless.Client.exceptions.ValidationException
• IoTWireless.Client.exceptions.ResourceNotFoundException
• IoTWireless.Client.exceptions.InternalServerException
• IoTWireless.Client.exceptions.ThrottlingException
• IoTWireless.Client.exceptions.AccessDeniedException