# How to use subnode description with port box

**URL:** <https://discourse.nodered.org/t/how-to-use-subnode-description-with-port-box/47825>\
**Category:** Developing Nodes\
**Created:** [30 June 2021 06:55 UTC](https://discourse.nodered.org/t/how-to-use-subnode-description-with-port-box/47825 "2021-06-30T06:55:34Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![novski](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/novski/32/23243_2.png) [@novski](https://discourse.nodered.org/u/novski)\
**Post date:** [30 June 2021 06:55 UTC](https://discourse.nodered.org/t/how-to-use-subnode-description-with-port-box/47825/1 "2021-06-30T06:55:34Z")

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The packaging of a flow describes the way how to document [input and output ports nicely with a "box" and datatypes](https://nodered.org/docs/creating-nodes/help-style-guide#undefined)...  
 ![Bildschirmfoto 2021-06-30 um 08.52.50](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/5/1/518721f4d979f215eec5e670dada610d078a9a35.png)

How can i add that kind of "box" in the subflow-description WYSIWYG Editor?  
 ![Bildschirmfoto 2021-06-30 um 08.54.12](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/4/1/41ed7c0916465a68ae593b4782af95cc3965bef8.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:** [30 June 2021 07:09 UTC](https://discourse.nodered.org/t/how-to-use-subnode-description-with-port-box/47825/2 "2021-06-30T07:09:04Z")

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> [@novski](#):
>
> How can i add that kind of "box" in the subflow-description WYSIWYG Editor?

Exactly as it says on the web page...

 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/7/a/7a6f2d24f38fa850a51e3d0f695a8e43733745a5.png)

Or you can just use markdown

 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/b/7/b7bf6cdc616364dd9492a74840613aaf5cec3b1e.png)

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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:** [29 August 2021 07:09 UTC](https://discourse.nodered.org/t/how-to-use-subnode-description-with-port-box/47825/3 "2021-08-29T07:09:04Z")

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