How make multiselect fields?

On the pages /admin/dashboard/reports

screenshot /admin/reports/time_to_first_response

example multiselect fields - photo_2019-08-19_15-52-39

UP! No one will give an example of how to implement multiselect for fields?

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Can you be more clear on what you want to achieve. Do you want to change the default way its displayed on discourse? If yes, you can do that with a plugin or hire someone to write a plugin for you though it seems like a lot of work and not really work the money/effort.

Or maybe you mean to give a suggestion to change it?

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Have you looked at the Discourse code on github?

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Thanks for the answer.
Found a suitable plugin?

I’m working on it. I study core

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