# Notify users participating in a topic

**URL:** <https://meta.discourse.org/t/notify-users-participating-in-a-topic/59629>\
**Category:** Feature\
**Tags:** completed\
**Created:** [21 مارس 2017، 5:05م UTC](https://meta.discourse.org/t/notify-users-participating-in-a-topic/59629 "2017-03-21T17:05:06Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![codinghorror](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/codinghorror/32/110067_2.png) [@codinghorror](https://meta.discourse.org/u/codinghorror)\
**Post date:** [8 مارس 2018، 10:05ص UTC](https://meta.discourse.org/t/notify-users-participating-in-a-topic/59629/10 "2018-03-08T10:05:00Z")

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I see what you mean, there is slim difference indeed between typing `@topic` and typing 4-5 different individual `@name` mentions.. **on a topic with 6 people, including yourself** , it wouldn’t be crazy or particularly difficult to manually name mention everyone who participated in the topic. And that’s totally allowed.

Where it gets weird is **when the topic has 20, 50, 100 people participating.** Then we’d need to pop a REAL BIG warning about notifications, like we do for groups – or even disallow it entirely as too noisy. And possibly only staff could do a `@topic` mention, or very highly trusted users, similar to the caution we have by _not_ allowing enormous `@groupname` notifications by default, unless the group owner enables it.

As long as it is off by default and has to be explicitly enabled by the site owners I don’t see much risk. I am a bit unclear where / how that would be enabled though. Per category doesn’t seem totally right?

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