# FAQ: how to work with UNO commands

**URL:** <https://forum.collaboraonline.com/t/faq-how-to-work-with-uno-commands/1009>\
**Category:** Development\
**Created:** [April 5, 2022, 5:28pm UTC](https://forum.collaboraonline.com/t/faq-how-to-work-with-uno-commands/1009 "2022-04-05T17:28:48Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![szyklos](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.collaboraonline.com/szyklos/32/359_2.png) [@szyklos](https://forum.collaboraonline.com/u/szyklos)\
**Post date:** [April 5, 2022, 5:29pm UTC](https://forum.collaboraonline.com/t/faq-how-to-work-with-uno-commands/1009/2 "2022-04-05T17:29:29Z")

</div>

1. **My command doesn’t get status updates in Collabora Online.**  
You need to enable it in the “core” LibreOffice, example: [https://gerrit.libreoffice.org/c/core/+/132585](https://gerrit.libreoffice.org/c/core/+/132585)

2. **My command needs more params, how to sent them?**  
See more advanced example: [online/Control.RowHeader.js at 46e6f6b4ba1b4b06661a76e259856d7ae9b9e4c0 · CollaboraOnline/online · GitHub](https://github.com/CollaboraOnline/online/blob/46e6f6b4ba1b4b06661a76e259856d7ae9b9e4c0/browser/src/control/Control.RowHeader.js#L208)

````auto
var command = {
	RowHeight: {
		type: 'unsigned short',
		value: this._map._docLayer.twipsToHMM(Math.max(height, 0))
	},
	Row: {
		type: 'long',
		value: row + 1 // core expects 1-based index.
	}
};
map.sendUnoCommand('.uno:RowHeight', command);```
````

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