slack-send-message.yml

name: Slack send message
on:
  workflow_dispatch:
    inputs:
      channel-or-user:
        description: 'Send a message to a channel or a user (prefer usage of id instead of name).'
        # C02J5M4JMK7 is a test channel
        # vars.SLACK_CHANNEL_ID_NOTIFICATIONS is the production channel
        default: 'C02J5M4JMK7'
        type: string
        required: true

jobs:
  send:
    runs-on: ${{ vars.RUNNER_UBUNTU }}
    env:
      SLACK_CHANNEL: ${{ inputs.channel-or-user }} # sanitize user inputs
    steps:
      - name: Send message to Slack
        uses: slackapi/slack-github-action@v2.0.0
        with:
          errors: true
          method: chat.postMessage
          token: ${{ secrets.SLACK_BOT_TOKEN }}
          payload: |
            channel: ${{ env.SLACK_CHANNEL }}
            text: "This is a test from the ${{github.repository}} repository"
            blocks:
              - type: "header"
                text:
                  type: "plain_text"
                  text: ":mega: This is a test from the ${{github.repository}} repository"
                  emoji: true
              - type: "divider"
              - type: "section"
                text:
                  type: "mrkdwn"
                  text: "- available <https://github.com/${{github.repository}}/releases|Releases> :heavy_check_mark: \n - Check packages published on <https://www.npmjs.com/package/bpmn-visualization|NPM> :heavy_check_mark:"
              - type: "divider"
              - type: "section"
                text:
                  type: "mrkdwn"
                  text: "See the next steps <https://github.com/${{github.repository}}/blob/master/docs/contributors/maintainers.md#github-issues-milestones-and-projects-update|here> :arrow_left:"