Update prValidate.yml for Azure Pipelines

Author: ramsessanchez

.azure-pipelines/prValidate.yml

@@ -57,4 +57,15 @@ steps:
     publishJUnitResults: true
     testResultsFiles: '**/TEST-*.xml'
     javaHomeOption: 'JDKVersion'
-    sonarQubeRunAnalysis: false
+    sonarQubeRunAnalysis: false
+
+
+- task: YodLabs.O365PostMessage.O365PostMessageBuild.O365PostMessageBuild@0
+  displayName: 'Graph Client Tooling pipeline fail notification'
+  inputs:
+    addressType: serviceEndpoint
+    serviceEndpointName: 'microsoftgraph pipeline status'
+    title: '$(Build.DefinitionName) failure notification'
+    text: 'This pipeline has failed. View the build details for further information. This is a blocking failure. '
+  condition: failed()
+  enabled: true