> ## Documentation Index
> Fetch the complete documentation index at: https://learn.workflow.dog/llms.txt
> Use this file to discover all available pages before exploring further.

# Card Commented

> Start a workflow when a Trello card receives a comment.

The **Card Commented** trigger starts a workflow when someone comments on a
card on the selected Trello board.

## Configuration

| Field              | Type           | Required | Description                        |
| ------------------ | -------------- | -------- | ---------------------------------- |
| **Trello Account** | Trello account | Yes      | Account that can access the board. |
| **Board ID**       | String         | Yes      | The Trello board to watch.         |

## Trigger data

| Output                                          | Type   | Description                                     |
| ----------------------------------------------- | ------ | ----------------------------------------------- |
| **Action ID** / **Action Type**                 | String | Trello action identifier and type.              |
| **Occurred At**                                 | Date   | When the comment was added.                     |
| **Card ID** / **Card Name**                     | String | The commented card.                             |
| **Board ID** / **Board Name**                   | String | The board, when supplied by Trello.             |
| **List ID** / **List Name**                     | String | The card's list, when supplied by Trello.       |
| **Previous List ID** / **Previous List Name**   | String | Empty for comment events.                       |
| **Comment Text**                                | String | The text of the new comment.                    |
| **Member Creator ID** / **Name** / **Username** | String | The comment's creator, when supplied by Trello. |

<Note>
  This trigger responds to newly added comments, not edits or deletions of
  existing comments.
</Note>