# How to extract array value from msg.payload - Bacnet Read Value

**URL:** <https://discourse.nodered.org/t/how-to-extract-array-value-from-msg-payload-bacnet-read-value/37690>\
**Category:** Industrial\
**Created:** [18 December 2020 03:17 UTC](https://discourse.nodered.org/t/how-to-extract-array-value-from-msg-payload-bacnet-read-value/37690 "2020-12-18T03:17:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![bobster1](https://avatars.discourse-cdn.com/v4/letter/b/fbc32d/32.png) [@bobster1](https://discourse.nodered.org/u/bobster1)\
**Post date:** [18 December 2020 03:17 UTC](https://discourse.nodered.org/t/how-to-extract-array-value-from-msg-payload-bacnet-read-value/37690/1 "2020-12-18T03:17:28Z")

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Newbie alert!

There must be a better way to extract the value of a BACnet Dig. Out read message ...

 ![nr_bacnet_read1a](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/f/e/fe225dac8aa5f1786ba94e205085ade4d76a1525.jpeg)

I've tried various function nodes combos .. but no joy. ☹

Here is a copy of the path ..

payload.values[0].values[0].value[0].value

and debug message ..

2/18/2020, 11:11:10 AM[node: TC\_DO2r](http://192.168.8.14:1880/#)type : msg.payload : number

9

12/18/2020, 11:21:09 AM[node: TC\_DO2r](http://192.168.8.14:1880/#)msg.payload : Object

object

len: 13

values: array[1]

0: object

objectId: object

values: array[1]

0: object

id: 85

index: 4294967295

value: array[1]

0: object

value: 0

type: 9

Any tips and help very appreciated.

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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:** [16 February 2021 03:17 UTC](https://discourse.nodered.org/t/how-to-extract-array-value-from-msg-payload-bacnet-read-value/37690/2 "2021-02-16T03:17:33Z")

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