TAGS Suggestion for plugin

[Luk164]

Hello
I would like to ask if it would be possible to create a plugin that would allow us to tag individual functions and then search using these tags. In principle user would define tags such as done, tested, WIP, etc.
Then if needed only WIP will be displayed, or everything but WIP...
I apologise in advance if somehow I missed it and plugin like this already exists.
I would do it myself but I am not skilled enough for something like that.
Appreciate any additional suggestions.
Thank you

[BlueHazzard]

You can use the todo plugin for this...
 go to the line that needs work, for example the function name, right click-> Add to do item-> Add text and modify the type if you like-> Ok

to show the list to do list with all the tags:
View->To do list

now you can filter the scope, sort by types and so on....