In this how-to guide

How to automatically send Slack messages to a channel whenever a new card is added to your selected Trello list
1. Set the Trello trigger as “New card added”
2. Add the “Send message” step in Slack
3. Activate your playbook
Learn more about integrating with Slack and Trello
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More how-to guides featuring Slack and Trello

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How to automatically send Slack messages to a channel whenever a new card is added to your selected Trello list

How to automatically send Slack messages to a channel whenever a new card is added to your selected Trello list

Relay.app is an automation tool that lets you automate actions across Slack, Trello, and many other apps. In this guide, we'll show you how to use Relay.app to automatically run the Slack “Send message” action for each Trello “Card added” event.

Try it in Relay.app

Trello > Slack

Trigger

Last triggered

Card added

Send message

1

Set the Trello trigger as “New card added”

Add the Trello trigger to initiate your playbook's actions whenever a new card is added to your selected list.

To do this, click "Add trigger" in your playbook. Select the "New card added" trigger option from the dropdown menu under Trello. It will enable your playbook to automatically identify newly added cards and trigger necessary actions.

If you still need to connect your Trello account to Relay.app, a prompt will guide you through the connection process.

2

Add the “Send message” step in Slack

Integrate Slack automation into your playbook to ensure that you receive timely updates whenever a new card is added to your selected Trello list.

Select "Add Step" and then find the "Send message" automation for Slack. Enter all the required details, including the sender's name, the Slack channel for updates, and the message body containing detailed information.

If you still need to connect your Slack account to Relay.app, you will be prompted to complete that connection. Ensure that you allow the necessary permissions for Relay.app to send messages through your Slack account.

3

Activate your playbook

Activating your playbook is the last step in the process. Once you turn it on, it will automatically send Slack messages to a channel whenever a new card is added to your selected Trello list without requiring manual intervention.

To activate your playbook, click the toggle button at the header. Before activating, we recommend performing a test run of your playbook to ensure all the steps work seamlessly together.

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