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Slack Alert: new Channel does not show up in setup list

Hi - I've connected Trello and Slack. I can create new cards in Trello from Slack. 


I had created a new public channel in Slack after I had created the Power-Up connection, and when I want to set up a new alert that new channel does not show up in the list of target channels.

I also had invited Trello into that channel, and the app is now a member of that channel.

What do I need to do to get alerts to show up in that channel?


3 answers

Same problem for me. Any answers ? Than you !

Hi Jonas - I did not get any answer.


The problem eventually got resolved as the new channel showed up in the list the next day.

Sorry that we haven't got back to you earlier, Stefan. I'm glad to hear the issue got resolved though. @Jonas Braoude, are you still experiencing issues with this? Please let us know!

@Stefan Heinz Thank you for the answer.

@Marta Galofre de Alos No sorry. Actually it is not resolved. All the channels doesn't show up,  only 19 out of 22.

Can you please reach out to us at so we can take a closer look at this @Jonas Braoude? Thanks so much!

Facing same problem. Slack channels not showing in Trello Power-up. Channel in consideration was made private at a later point, but now refuses to show in Trello. 

0 votes
Lizelle I'm New Here Apr 07, 2020

I have multiple Slack teams across our company, but the newest team. added about a month ago, does not come up to select when I try to add a slack alert.  I linked the team to the Trello Board, but it only shows my first 4 teams in the dropdown and not all the teams.

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