# Plugin or theme component for post editor modification?

**URL:** <https://meta.discourse.org/t/plugin-or-theme-component-for-post-editor-modification/130446>\
**Category:** Development\
**Created:** [October 7, 2019, 10:19pm UTC](https://meta.discourse.org/t/plugin-or-theme-component-for-post-editor-modification/130446 "2019-10-07T22:19:10Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![david](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/david/32/157490_2.png) [@david](https://meta.discourse.org/u/david)\
**Post date:** [October 9, 2019, 11:03am UTC](https://meta.discourse.org/t/plugin-or-theme-component-for-post-editor-modification/130446/4 "2019-10-09T11:03:38Z")

</div>

Yes, theme components can be installed by administrators on a hosted site. Generic theme documentation can be found [here](https://meta.discourse.org/tags/c/howto/devs/themes).

Here’s an example of one theme component which adds a toolbar button to the composer:

[https://github.com/discourse/DiscoTOC/blob/master/common/header.html#L373-L393](https://github.com/discourse/DiscoTOC/blob/master/common/header.html#L373-L393)

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_[View the full topic](https://meta.discourse.org/t/plugin-or-theme-component-for-post-editor-modification/130446)._