diff --git a/.github/workflows/functions-slack.yaml b/.github/workflows/functions-slack.yaml
new file mode 100644
index 0000000000..3298211556
--- /dev/null
+++ b/.github/workflows/functions-slack.yaml
@@ -0,0 +1,66 @@
+name: functions-slack
+on:
+  push:
+    branches:
+    - main
+    paths:
+    - 'functions/slack/**'
+  pull_request:
+    paths:
+    - 'functions/slack/**'
+  pull_request_target:
+    types: [labeled]
+  schedule:
+  - cron:  '0 2 * * *'
+jobs:
+  test:
+    if: ${{ github.event.action != 'labeled' || github.event.label.name == 'actions:force-run' }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: 'write'
+      pull-requests: 'write'
+      id-token: 'write'
+    steps:
+    - uses: 'google-github-actions/auth@v0.3.1'
+      with:
+        workload_identity_provider: 'projects/1046198160504/locations/global/workloadIdentityPools/github-actions-pool/providers/github-actions-provider'
+        service_account: 'kokoro-system-test@long-door-651.iam.gserviceaccount.com'
+        create_credentials_file: 'true'
+        access_token_lifetime: 600s
+    - uses: actions/checkout@v2
+      with:
+        ref: ${{github.event.pull_request.head.ref}}
+        repository: ${{github.event.pull_request.head.repo.full_name}}
+    - uses: actions/setup-node@v2
+      with:
+        node-version: 14
+    - run: npm install
+      working-directory: functions/slack
+    - run: npm test
+      working-directory: functions/slack
+      env:
+        MOCHA_REPORTER_SUITENAME: functions_slack
+        MOCHA_REPORTER_OUTPUT: functions_slack_sponge_log.xml
+        MOCHA_REPORTER: xunit
+    - if: ${{ github.event.action == 'labeled' && github.event.label.name == 'actions:force-run' }}
+      uses: actions/github-script@v5
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        script: |
+          try {
+            await github.rest.issues.removeLabel({
+              name: 'actions:force-run',
+              owner: 'GoogleCloudPlatform',
+              repo: 'nodejs-docs-samples',
+              issue_number: context.payload.pull_request.number
+            });
+          } catch (e) {
+            if (!e.message.includes('Label does not exist')) {
+              throw e;
+            }
+          }
+    - if: ${{ github.event_name == 'schedule'}}
+      run: |
+        curl https://github.com/googleapis/repo-automation-bots/releases/download/flakybot-1.1.0/flakybot -o flakybot -s -L
+        chmod +x ./flakybot
+        ./flakybot --repo GoogleCloudPlatform/nodejs-docs-samples --commit_hash ${{github.sha}} --build_url https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}
diff --git a/.github/workflows/workflows.json b/.github/workflows/workflows.json
index 7515222c49..053058b8ab 100644
--- a/.github/workflows/workflows.json
+++ b/.github/workflows/workflows.json
@@ -25,6 +25,7 @@
   "endpoints/getting-started-grpc",
   "functions/security",
   "functions/firebase",
+  "functions/slack",
   "healthcare/datasets",
   "healthcare/dicom",
   "healthcare/fhir",
diff --git a/.kokoro/functions/slack.cfg b/.kokoro/functions/slack.cfg
deleted file mode 100644
index 7425aac9ba..0000000000
--- a/.kokoro/functions/slack.cfg
+++ /dev/null
@@ -1,13 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-# Set the folder in which the tests are run
-env_vars: {
-    key: "PROJECT"
-    value: "functions/slack"
-}
-
-# Tell the trampoline which build file to use.
-env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/nodejs-docs-samples/.kokoro/build.sh"
-}
diff --git a/functions/slack/test/index.test.js b/functions/slack/test/index.test.js
index 5a3bb8ef4c..bf04c94d2f 100644
--- a/functions/slack/test/index.test.js
+++ b/functions/slack/test/index.test.js
@@ -14,8 +14,8 @@
 
 'use strict';
 
-const proxyquire = require('proxyquire').noCallThru();
 const sinon = require('sinon');
+const proxyquire = require('proxyquire').noCallThru();
 const assert = require('assert');
 
 const method = 'POST';