# SyncManager onChannelChanged not triggered when changing custom type

**URL:** https://community.sendbird.com/t/syncmanager-onchannelchanged-not-triggered-when-changing-custom-type/897
**Category:** Android
**Created:** [September 4, 2020, 10:31am UTC](https://community.sendbird.com/t/syncmanager-onchannelchanged-not-triggered-when-changing-custom-type/897 "2020-09-04T10:31:12Z")
**Posts on this page:** 1
**Showing post:** 7

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### Author: ![Doo\_Rim](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/doo_rim/32/239_2.png) [@Doo\_Rim](https://community.sendbird.com/u/Doo_Rim)
#### Post date: [September 7, 2020, 6:01am UTC](https://community.sendbird.com/t/syncmanager-onchannelchanged-not-triggered-when-changing-custom-type/897/7 "2020-09-07T06:01:08Z")

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This is a feature. We collect channels based on query. If you set the custom type filter, query can get channels only filtered by customers. If you want to hide a channel, you can use hide method.

> **[Group Channel | Android Chat SDK Documentation | Sendbird](https://docs.sendbird.com/android/group_channel#3_hide_or_archive_a_channel_from_a_list_of_channels)**
>
> A group channel is a chat that allows close interactions among a limited number of users. It can be private or public. A private group channel can let a user join the chat through an invitation by another user who is already a member of the chatroom....

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