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MQTT Publish Node

Web/MQTT

MQTT Publish

Publishes a message to an MQTT topic

mqtt_publishweb
Inputs6
Outputs1
Security exposure4/10
Packageweb

Ratings

Scores range from 0 to 10. Higher values mean more impact, exposure, or operational weight.

SecurityAttack surface and exposure impact.
4/10Medium
PrivacyPotential sensitivity of processed data.
3/10High
PerformanceRuntime or resource pressure.
2/10High
GovernancePolicy, audit, or compliance impact.
5/10Medium
ReliabilityOperational stability considerations.
3/10High
CostExternal or compute cost impact.
1/10High

Input Pins

6

Execute

Execution
exec_in

Trigger the publish

Session

Struct
session

MQTT session reference

MqttSessionMqttSession2 fields
ref_idstringrequired
client_idstringrequired
Schema enforced

Topic

String
topic

The MQTT topic to publish to

Payload

String
payload

The message content to publish

QoS

String
qos

Quality of Service level

Default AtMostOnce
AtMostOnceAtLeastOnceExactlyOnce

Retain

Boolean
retain

Whether the broker should retain this message

Default false

Output Pins

1

Done

Execution
exec_out

Fires after the message is published

Node Info

Internal name
mqtt_publish
Category
Web/MQTT