Mattermost Attachment Notification Action

This action allows you to send attachment-like messages to your Mattermost.

Inputs

Name	Description	Required
webhook	Webhook URI.	true
text	Text to be included in the attachment. It can be formatted using Markdown.	true
notification_type	Left border color for the attachment by string. One of success, warning, danger and info. Defaults to info.	false
color	Hex color code that will be used as the left border color for the attachment. Overrides notification_type.	false
channel	Channel message will be posted in or username to send direct message.	false
username	Username the message posts as.	false
icon_url	Profile picture the message posts with.	false
fallback	A required plain-text summary of the attachment.	false
pretext	Line of text that will be shown above the attachment.	false
author_name	Name used to identify the author.	false
author_link	URL used to hyperlink the author_name.	false
author_icon	URL used to display a 16x16 pixel icon beside the author_name.	false
title	Title displayed below the author information in the attachment.	false
title_link	URL used to hyperlink the title.	false
image_url	URL to an image file (GIF, JPEG, PNG, BMP, or SVG) that is displayed inside a message attachment.	false
thumb_url	URL to an image file (GIF, JPEG, PNG, BMP, or SVG) that is displayed as a 75x75 pixel thumbnail on the right side of an attachment.	false
footer	Line of text that will be displayed at the bottom of the attachment.	false
footer_icon	URL to an image file (GIF, JPEG, PNG, BMP, or SVG) that is displayed as a 16x16 pixel thumbnail before the footer text.	false

⚠️ Currently this GitHub Action does not support sending fields as a key in the attachment.

Usage

jobs:
  notify:
    runs-on: ubuntu-latest
    steps:
      - uses: ePages-de/action-mattermost-attachment-notification@main
        with:
          webhook: ${{ secrets.MATTERMOST_WEBHOOK }}
          text: Application successfully deployed
          notification_type: success

Reference articles

• Mattermost outgoing webhooks
• Mattermost message attachments