Comment

Comment a pull request.

The comment action allows Mergify to post a comment on your pull request when certain conditions are met.

The comment action is a powerful tool that can provide automated responses to various events in your pull request workflow. By customizing the conditions and the message, you can create a more interactive and responsive experience for your contributors.

Parameters

Key name	Value type
`bot_account`	template or `null`
Mergify can impersonate a GitHub user to comment a pull request. If no `bot_account` is set, Mergify will comment the pull request itself.
`message`	template or `null`
The message to write as a comment.

Examples

Needs Review

In this example, Mergify will post the message “Thank you for your contribution! A reviewer will be assigned soon.” when a pull request is labeled with “needs review”.

pull_request_rules:
  - name: comment when a pull request is labeled "needs review"
    conditions:
      - label = needs review
    actions:
      comment:
        message: Thank you for your contribution! A reviewer will be assigned soon.

Warn of Conflicting Pull Requests

When a pull request is in conflict and cannot be merged, it’s nice to be notified automatically by Mergify. You can do this using this rule:

pull_request_rules:
  - name: comment when a pull request is merged
    conditions:
      - conflict
    actions:
      comment:
        message: @{{author}} Your PR is in conflict and cannot be merged.

Merge Thank You

In this example, Mergify will post the message “Thank you for your contribution! Your pull request has been merged.” when a pull request is merged.

pull_request_rules:
  - name: comment when a pull request is merged
    conditions:
      - merged
    actions:
      comment:
        message: Thank you for your contribution @{{author}}! Your pull request has been merged.

Use Cases

Actions