# Announce: node-red-contrib-ui-heatmap (beta release)

**URL:** <https://discourse.nodered.org/t/announce-node-red-contrib-ui-heatmap-beta-release/8125>\
**Category:** Share Your Nodes\
**Created:** [18 February 2019 23:23 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-ui-heatmap-beta-release/8125 "2019-02-18T23:23:02Z")\
**Posts on this page:** 1\
**Showing post:** 77

<div class="post-metadata">

**Author:** ![Rtholl](https://avatars.discourse-cdn.com/v4/letter/r/45deac/32.png) [@Rtholl](https://discourse.nodered.org/u/Rtholl)\
**Post date:** [28 September 2019 17:44 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-ui-heatmap-beta-release/8125/77 "2019-09-28T17:44:11Z")

</div>

Dear @BartButenaers

The module looks exactly like what I need but whenever I use the heatmap node in Node-RED I receive the following error:

"TypeError: Cannot read property 'push' of undefined"

I didn't connect any nodes to it. Only by dragging it to the canvas and depoying it. That's it.  
My Node-RED runs on the IBM Cloud. Should be up to date tho. I use version 2.1.1.

Would love to use your node since it's amazingly looking!

---

_[View the full topic](https://discourse.nodered.org/t/announce-node-red-contrib-ui-heatmap-beta-release/8125)._