Update README.md

Author: prasanjit-

README.md

@@ -32,6 +32,34 @@ Follow the video for configuring the declarative pipeline with SonarQube Integra
 The following snippet enables the slack-alerts stage in the CI/CD pipeline. Watch the video to see the configurations and the `Jenkins-Slack` Integration Process.
 
 ```
+//Add this after the "stage" blocks end.
+
+post {
+
+    aborted {
+
+      echo "Sending message to Slack"
+      slackSend (color: "${env.SLACK_COLOR_WARNING}",
+                 channel: "${params.SLACK_CHANNEL_2}",
+                 message: "*ABORTED:* Job ${env.JOB_NAME} build ${env.BUILD_NUMBER} by ${env.USER_ID}\n More info at: ${env.BUILD_URL}")
+    } // aborted
+
+    failure {
+
+      echo "Sending message to Slack"
+      slackSend (color: "${env.SLACK_COLOR_DANGER}",
+                 channel: "${params.SLACK_CHANNEL_2}",
+                 message: "*FAILED:* Job ${env.JOB_NAME} build ${env.BUILD_NUMBER} by ${env.USER_ID}\n More info at: ${env.BUILD_URL}")
+    } // failure
+
+    success {
+      echo "Sending message to Slack"
+      slackSend (color: "${env.SLACK_COLOR_GOOD}",
+                 channel: "${params.SLACK_CHANNEL_1}",
+                 message: "*SUCCESS:* Job ${env.JOB_NAME} build ${env.BUILD_NUMBER} by ${env.USER_ID}\n More info at: ${env.BUILD_URL}")
+    } // success
+
+  } // post
 
 ```