How to add tags to a posted community question o feature request

[Oleksandr_Yarem]

Hello. Does anyone know how to add tags to a community question or feature request after posting?

[Marc_Dillon]

Good question. I believe this is a “discourse” community, so:
https://www.google.com/search?q=discourse+add+tags+to+existing+post

However this un-resolved thread was about all I found in my quick search:

Discourse Meta – 12 Jul 21

Adding tags to an existing topic

I recently ran into an issue in using the Elixir Forum, which uses Discourse. I had posted a topic several years ago and wanted to revive it. In the interim, some new technology (liveview) has appeared, so I wanted to add a tag for it. A moderator...

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[Oleksandr_Yarem]

Thanks, Marc. I can’t find any solution, some of my posts have a “pencil” at the bottom, next to the “trash”, others don’t.
By the way, I will tell you why I want to add tags. Have you ever noticed that only the Questions category has the sync tag? However, by accident, I was able to make a Function Request with sync tag:
Improve the sync with multiple Google Sheets linked to each other
How? I was looking at Questions-sync, then I selected Feature Request and added one. And now I think that this request, entered through the back door, is hardly visible to other members. So I wanted to add data, table etc. to it. It will be in other chance.