# OPCUA - write byte of array

**URL:** <https://discourse.nodered.org/t/opcua-write-byte-of-array/39704>\
**Category:** General\
**Created:** [25 January 2021 10:54 UTC](https://discourse.nodered.org/t/opcua-write-byte-of-array/39704 "2021-01-25T10:54:02Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Mattia.88](https://avatars.discourse-cdn.com/v4/letter/m/898d66/32.png) [@Mattia.88](https://discourse.nodered.org/u/Mattia.88)\
**Post date:** [25 January 2021 10:54 UTC](https://discourse.nodered.org/t/opcua-write-byte-of-array/39704/1 "2021-01-25T10:54:02Z")

</div>

![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/0/1/0187943a69712c778b26617efb43c227d4024ce6.png)  
 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/6/9/69607c0ba332de13d3459a2f00aff3b363c6c221.png)

 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/2/3/23e3630ac914b19bc7ab1df229ea54474810a775.png)

Goodmorning,  
i must write a byte array with OpcUa (see images).

I created an variabile array, i inserted into variable the values and I moved this variabile into "msg.payload", but this method perhaps in not correct.

What is the correct method?

Thanks

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [26 March 2021 10:54 UTC](https://discourse.nodered.org/t/opcua-write-byte-of-array/39704/2 "2021-03-26T10:54:49Z")

</div>

This topic was automatically closed 60 days after the last reply. New replies are no longer allowed.