Post a comment on a card
Automatically post a comment on a Trello card with Trello Automation.
Use this automation rule to post a comment on a card. For example, when a card is moved into a specific list or the due date is less than X days.
New to Trello automation? Check out our beginner’s guide to Trello automation to get started. Plus, find out more about automating emails with the Email for Trello Power-Up.
When a card is moved into a list
1. Set up the trigger

Trigger: When a card is moved into the list “Validating”
2. Select the action

Action: Post comment “@jane Good news, this card is almost done… just one more step.”
When a card is due
1. Set up the trigger

Trigger: 2 days before a card is due
2. Select the action

Action: Post comment “@card Let’s get this done!”
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