# Connected to Slack, but not responding to messages

**URL:** <https://forum.rasa.com/t/connected-to-slack-but-not-responding-to-messages/44184>\
**Category:** Rasa Open Source\
**Created:** [June 1, 2021, 4:04pm UTC](https://forum.rasa.com/t/connected-to-slack-but-not-responding-to-messages/44184 "2021-06-01T16:04:43Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![dhzkfldh](https://avatars.discourse-cdn.com/v4/letter/d/6bbea6/32.png) [@dhzkfldh](https://forum.rasa.com/u/dhzkfldh)\
**Post date:** [June 1, 2021, 4:04pm UTC](https://forum.rasa.com/t/connected-to-slack-but-not-responding-to-messages/44184/1 "2021-06-01T16:04:43Z")

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I was able to build a chatbot and connect it to a slack channel. Following the tutorial, I’ve added URL: [https://xxxxxx/webhooks/slack/webhook](https://xxxxxx/webhooks/slack/webhook) to the Event subscription, which has been verified through both ngrok and rasa server, as shown below:

POST /webhooks/slack/webhook 200 OK

But when I send a message to a slack channel, I get this.

 ![2021-05-30_20-26-28](https://europe1.discourse-cdn.com/flex013/uploads/rasa/original/2X/0/0f77ea204f45c16c10675cea3e6d10aa9ecbefd5.png)

In my credentials.yml file, I have something like this.

 ![2021-06-01_10-03-36](https://europe1.discourse-cdn.com/flex013/uploads/rasa/original/2X/3/3dc4b61ee0e52b6f966d6013b4d4def7c92f07b4.png)

The channel that has chatbot app installed is called “testing”.

Any ideas to fix this issue?

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**Author:** ![b-quachtran](https://avatars.discourse-cdn.com/v4/letter/b/c67d28/32.png) [@b-quachtran](https://forum.rasa.com/u/b-quachtran)\
**Post date:** [June 2, 2021, 3:42pm UTC](https://forum.rasa.com/t/connected-to-slack-but-not-responding-to-messages/44184/2 "2021-06-02T15:42:19Z")

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Hi @dhzkfldh, the slack channel corresponds to the channel ID, which would be `C01U7D7J6Q5` in this case. Could you try updating the `slack_channel` parameter and see if it works?

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**Author:** ![dhzkfldh](https://avatars.discourse-cdn.com/v4/letter/d/6bbea6/32.png) [@dhzkfldh](https://forum.rasa.com/u/dhzkfldh)\
**Post date:** [June 2, 2021, 4:20pm UTC](https://forum.rasa.com/t/connected-to-slack-but-not-responding-to-messages/44184/3 "2021-06-02T16:20:05Z")

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If I change it to `C01U7D7J6Q5`, it’s giving me 500 internal server error on ngrok.

When it was `testing` it was showing 200 ok.