Setting mqtt out node properties from json string

[MikeyMikey]

Hi,
Is it possible to set the properties of a mqtt out node e.g. server name, port, protocol, username, password etc from a function in node red? Along the same line as msg.qos=2 and msg.retain=false and msg.topic="my/topic"

[Steve-Mcl]

@MikeyMikey

Is it possible to set the properties of a mqtt out node e.g. server name, port, protocol, username, password etc from a function in node red

yes.

From the built in help...

Demo...

Dynamic MQTT node's "actions->connect" guidance needed

The dynamic connection does not overwrite fields. It simply connects to the broker specified in the msg you send. You just add a broker (with any settings you like) and set it to NOT auto connect [image] then you send the appropriate msg to set up and connect. Here is a working demo... [mqtt-dyn] [{"id":"a7f43be0a40d080b","type":"mqtt out","z":"8afdb9e0485c9da7","name":"mqtt out","topic":"","qos":"0","retain":"false","respTopic":"","contentType":"","userProps":"","correl":"","expiry":"","…

[MikeyMikey]

Thanks Steve-Mcl, much appreciated.