Slack notification on issue or pull requests

.github/workflows/slack-notify-pr.yml

@@ -1,20 +1,22 @@
 on:
-  issues:
-    types: [opened, reopened, deleted, closed]
-name: Slack Issue Notification
+  pull_request:
+    branches:
+      - master
+    types: [opened, reopened, closed]
+name: Slack Pull Request Notification
 jobs:
   slackNotification:
-    name: Slack Notification Issue
+    name: Slack Notification PR
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Slack Notification Issue
+      - name: Slack Notification PR
         uses: rtCamp/action-slack-notify@master
         env:
-          SLACK_CHANNEL: partnereng-issues
+          SLACK_CHANNEL: partnereng-pullrequest
           SLACK_COLOR: '#00A86B'
           SLACK_ICON: https://pbs.twimg.com/profile_images/978188446178082817/86ulJdF0.jpg
-          SLACK_TITLE: "[${{ github.event.issue.state}}] ${{ github.event.issue.title }} on ${{ github.repository }} :rocket:"
-          SLACK_MESSAGE: 'Link: ${{ github.event.issue.url }}'
+          SLACK_TITLE: "[${{ github.event.pull_request.state}}] ${{ github.event.pull_request.title }} on ${{ github.repository }} :rocket:"
+          SLACK_MESSAGE: 'Merging from ${{ github.head_ref }} to ${{ github.base_ref }} by ${{ github.actor }}. Link: ${{ github.event.pull_request._links.html.href }}'
           SLACK_USERNAME: PartnerEngineers
-          SLACK_WEBHOOK: ${{ secrets.SLACK_ISSUE_WEBHOOK }}
+          SLACK_WEBHOOK: ${{ secrets.SLACK_PR_WEBHOOK }}