# 仅根据组成员关系强制类别观看一次

**URL:** <https://meta.discourse.org/t/force-category-watching-based-on-group-membership-only-once/102254>\
**Category:** Feature\
**Created:** [2018 年11 月 17 日 23:17 UTC](https://meta.discourse.org/t/force-category-watching-based-on-group-membership-only-once/102254 "2018-11-17T23:17:36Z")\
**Posts on this page:** 1\
**Showing post:** 5

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作者： ![sam](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/sam/32/102149_2.png) [@sam](https://meta.discourse.org/u/sam)\
发布日期： [2018 年11 月 20 日 04:48 UTC](https://meta.discourse.org/t/force-category-watching-based-on-group-membership-only-once/102254/5 "2018-11-20T04:48:13Z")

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> [@tophee](#):
>
> Right?

I think we have an event that is fired when a user is added to a group so you would subscribe to that and just do the once off adding there. No need then to worry about tracking anything fancy to catch the 0.01% edge cases.

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