# Converto message MQTT to Boolean

**URL:** https://discourse.nodered.org/t/converto-message-mqtt-to-boolean/25332
**Category:** General
**Created:** [22 April 2020 20:58 UTC](https://discourse.nodered.org/t/converto-message-mqtt-to-boolean/25332 "2020-04-22T20:58:28Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![abedgarr](https://avatars.discourse-cdn.com/v4/letter/a/d26b3c/32.png) [@abedgarr](https://discourse.nodered.org/u/abedgarr)
#### Post date: [22 April 2020 20:58 UTC](https://discourse.nodered.org/t/converto-message-mqtt-to-boolean/25332/1 "2020-04-22T20:58:28Z")

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Hi everyone,

Excuse me I'm a beginner in programming languages and NODE-REDHow can I convert the message received from the MQTT block to Boolean?

 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/4/2/423968735421123fb0b5000e5e9735fc5502d554.png) ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/4/2/423968735421123fb0b5000e5e9735fc5502d554.png)

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### Author: ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)
#### Post date: [22 April 2020 21:21 UTC](https://discourse.nodered.org/t/converto-message-mqtt-to-boolean/25332/2 "2020-04-22T21:21:14Z")

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The debug output payload looks like valid JSON so either connect a JSON node between the MQTT and debug node OR set the mqtt node to convert JSON to object.

Then, you can access `msg.data` and `msg.ispublic` and they will/are Boolean. No conversation required.

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### Author: ![abedgarr](https://avatars.discourse-cdn.com/v4/letter/a/d26b3c/32.png) [@abedgarr](https://discourse.nodered.org/u/abedgarr)
#### Post date: [22 April 2020 23:01 UTC](https://discourse.nodered.org/t/converto-message-mqtt-to-boolean/25332/4 "2020-04-22T23:01:27Z")

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Great!!!!!!!!!!!  
Thank you Steve.

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### Author: ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)
#### Post date: [6 May 2020 23:04 UTC](https://discourse.nodered.org/t/converto-message-mqtt-to-boolean/25332/5 "2020-05-06T23:04:43Z")

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