1.204.0

enum MqttQualityOfService 🔹

LanguageType name
.NETAmazon.CDK.AWS.IoT.Actions.MqttQualityOfService
Javasoftware.amazon.awscdk.services.iot.actions.MqttQualityOfService
Pythonaws_cdk.aws_iot_actions.MqttQualityOfService
TypeScript (source)@aws-cdk/aws-iot-actions » MqttQualityOfService

MQTT Quality of Service (QoS) indicates the level of assurance for delivery of an MQTT Message.

See also: https://docs.aws.amazon.com/iot/latest/developerguide/mqtt.html#mqtt-qos

Example

new iot.TopicRule(this, 'TopicRule', {
  sql: iot.IotSql.fromStringAsVer20160323("SELECT topic(2) as device_id, timestamp() as timestamp, temperature FROM 'device/+/data'"),
  actions: [
    new actions.IotRepublishMqttAction('${topic()}/republish', {
      qualityOfService: actions.MqttQualityOfService.AT_LEAST_ONCE, // optional property, default is MqttQualityOfService.ZERO_OR_MORE_TIMES
    }),
  ],
});

Members

NameDescription
ZERO_OR_MORE_TIMES 🔹QoS level 0.
AT_LEAST_ONCE 🔹QoS level 1.

ZERO_OR_MORE_TIMES 🔹

QoS level 0.

Sent zero or more times. This level should be used for messages that are sent over reliable communication links or that can be missed without a problem.

AT_LEAST_ONCE 🔹

QoS level 1.

Sent at least one time, and then repeatedly until a PUBACK response is received. The message is not considered complete until the sender receives a PUBACK response to indicate successful delivery.

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