# Node configuration

**URL:** <https://discourse.nodered.org/t/node-configuration/18823>\
**Category:** General\
**Created:** [5 December 2019 13:10 UTC](https://discourse.nodered.org/t/node-configuration/18823 "2019-12-05T13:10:06Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![mohammedtaha](https://avatars.discourse-cdn.com/v4/letter/m/7c8e57/32.png) [@mohammedtaha](https://discourse.nodered.org/u/mohammedtaha)\
**Post date:** [5 December 2019 13:10 UTC](https://discourse.nodered.org/t/node-configuration/18823/1 "2019-12-05T13:10:06Z")

</div>

![4444](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/2X/8/8f8f1952d2171ef40fe02c1bdc4934769be10b5d.jpeg)

hello, please i need help, i want to assign the payload (string 9570..) to the set rule

---

<div class="post-metadata">

**Author:** ![TotallyInformation](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/totallyinformation/32/31_2.png) [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Post date:** [5 December 2019 13:24 UTC](https://discourse.nodered.org/t/node-configuration/18823/2 "2019-12-05T13:24:09Z")

</div>

Not a great deal to go on there I'm afraid. We have no way of guessing what message that payload is on and whether your change node is receiving it directly or whether you need to save the payload and then use it in the change node.

---

<div class="post-metadata">

**Author:** ![mohammedtaha](https://avatars.discourse-cdn.com/v4/letter/m/7c8e57/32.png) [@mohammedtaha](https://discourse.nodered.org/u/mohammedtaha)\
**Post date:** [5 December 2019 13:49 UTC](https://discourse.nodered.org/t/node-configuration/18823/3 "2019-12-05T13:49:20Z")

</div>

there is any simple way to assign the slider output to the iotgat....../s7.reference.v

 ![5555e](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/2X/1/18f73f23d1ba01d40bd27b22cd5b70b20d46a4a5.jpeg)

i put the topic iotgateway/write on the slider but i dont know how to choose the reference as a target thanks

---

<div class="post-metadata">

**Author:** ![TotallyInformation](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/totallyinformation/32/31_2.png) [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Post date:** [5 December 2019 14:41 UTC](https://discourse.nodered.org/t/node-configuration/18823/4 "2019-12-05T14:41:49Z")

</div>

I've already explained this in your other thread.

> [@Write to an external tag from node red](https://discourse.nodered.org/t/write-to-an-external-tag-from-node-red/18738):
>
> hello i need to write to ana external tag, i want to use a slider and assigne it to the output on the kepserverx

---

<div class="post-metadata">

**Author:** ![mohammedtaha](https://avatars.discourse-cdn.com/v4/letter/m/7c8e57/32.png) [@mohammedtaha](https://discourse.nodered.org/u/mohammedtaha)\
**Post date:** [5 December 2019 14:56 UTC](https://discourse.nodered.org/t/node-configuration/18823/5 "2019-12-05T14:56:13Z")

</div>

i've already did that, but still dont see the way that i can write to a specific tag since all output are an array with 4 variables