diff --git a/.github/reviewer.yml b/.github/reviewer.yml
new file mode 100644
index 000000000000..0fd114e380a7
--- /dev/null
+++ b/.github/reviewer.yml
@@ -0,0 +1,15 @@
+# This file is openapi-email-bot to store reviewer email address.
+---
+- group:
+    name: default
+    users:
+      - githubID: ruowan
+        email: ruowan@microsoft.com
+      - githubID: raych1
+        email: raychen@microsoft.com
+      - githubID: MyronFanQiu
+        email: fanqiu@microsoft.com
+      - githubID: yungezz
+        email: yungez@microsoft.com
+      - githubID: lirenhe
+        email: Renhe.Li@microsoft.com
diff --git a/.github/sla.yml b/.github/sla.yml
new file mode 100644
index 000000000000..1fcec5d02411
--- /dev/null
+++ b/.github/sla.yml
@@ -0,0 +1,25 @@
+---
+- scheduleTask:
+    action: sendEmailToAssignee
+    args:
+      ignoredLabels:
+        - WaitForARMFeedback
+        - DoNotMerge
+        - WaitingForAzureAPIBoard
+      limit: 48h
+      message: '<p> Dear Swagger reviewer, <br> <br> Please response to the PR ${PR_URL}. The PR isn''t updated in 48 hours. <br> <hr /> <br> Quick info. <ul> <li>If no response from ARM review board, please send email to armapireview@microsoft.com.</li> <li>If need immediate ARM review, please get ARM review oncall contact point from ICM https://icm.ad.msft.net/imp/v3/oncall/current under Service "Azure Resource Manager" and Team "RP Manifest Approvers"</li> <li>If no response from Azure API review board, please send email to azureapirbcore@microsoft.com.</li> <li>If you have problem to fix CI task errors, please send email to Visual Studio China Swagger and Tool team vscswagger@microsoft.com.</li> <li>If you want to opt out from Swagger reviewing for out of office period, please set vacation date at https://inframonitorweb1.azurewebsites.net/Home/MyView.</li> <li>Pls refer to <a href="onenote:https://microsoft.sharepoint.com/teams/IoTToolingTeam/SiteAssets/IoT Tooling Team Notebook/Azure Management Experience - transition.one#Swagger%20reviewing%20process§ion-id={ECE847C4-519B-4448-A1A0-8E84A7EFE8AB}&page-id={F6E345FE-46E1-420F-B837-6BF76167DE05}&end">Swagger review process (onenote)</a> for more about Swagger review process.</li> </ul> Best regards, <br> Azure Management Experience </p>'
+      subject: "Action Required: Please respond to PR ${PR_URL}"
+    description: "None initial response in 48 hours"
+    name: no-initial-response
+- scheduleTask:
+    action: sendEmailToAssignee
+    args:
+      ignoredLabels:
+        - WaitForARMFeedback
+        - DoNotMerge
+        - WaitingForAzureAPIBoard
+      limit: 5d
+      message: '<p> Dear Swagger reviewer, <br> <br> Please response to the PR ${PR_URL}. The PR isn''t updated in 5 days. <br> <hr /> <br> Quick info. <ul> <li>If no response from ARM review board, please send email to armapireview@microsoft.com.</li> <li>If need immediate ARM review, please get ARM review oncall contact point from ICM https://icm.ad.msft.net/imp/v3/oncall/current under Service "Azure Resource Manager" and Team "RP Manifest Approvers"</li> <li>If no response from Azure API review board, please send email to azureapirbcore@microsoft.com.</li> <li>If you have problem to fix CI task errors, please send email to Visual Studio China Swagger and Tool team vscswagger@microsoft.com.</li> <li>If you want to opt out from Swagger reviewing for out of office period, please set vacation date at https://inframonitorweb1.azurewebsites.net/Home/MyView.</li> <li>Pls refer to <a href="onenote:https://microsoft.sharepoint.com/teams/IoTToolingTeam/SiteAssets/IoT Tooling Team Notebook/Azure Management Experience - transition.one#Swagger%20reviewing%20process§ion-id={ECE847C4-519B-4448-A1A0-8E84A7EFE8AB}&page-id={F6E345FE-46E1-420F-B837-6BF76167DE05}&end">Swagger review process (onenote)</a> for more about Swagger review process.</li> </ul> Best regards, <br> Azure Management Experience </p>'
+      subject: "Action Required: Please respond to PR ${PR_URL}"
+    description: "None update in PR in 5 days"
+    name: no-update-in-5d