diff --git a/Jenkinsfile b/Jenkinsfile
index c35e3f19..b6f26d9a 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -2,6 +2,9 @@ pipeline {
     agent {
         label 'llrgrhgtrig.in2p3.fr'
     }
+    triggers {
+        issueCommentTrigger('.*Build*')
+    }
     environment {
         LABEL_TEST='test'
         LABEL_REF='ref'
@@ -25,6 +28,7 @@ pipeline {
                     echo "log_Jenkins does not exist."
                 fi 
                 echo '==> Set environment variables'
+                echo '== Start testing webhooks =='
                 '''
                 script{
                     String s = env.JOB_NAME
@@ -200,6 +204,7 @@ pipeline {
         stage('Install CMSSW Test release'){
             steps {
                 sh '''
+                echo "Testing"
                 ./HGCTPGValidation/scripts/installCMSSW_global.sh $SCRAM_ARCH $REF_RELEASE $REMOTE $BASE_REMOTE $CHANGE_BRANCH $CHANGE_TARGET ${LABEL_TEST}
                 echo '     '
                 '''
@@ -301,6 +306,55 @@ pipeline {
                     println( "Validation of the validation: Set the original name of CHANGE_BRANCH => " + env.CHANGE_BRANCH )
                 }
                 
+                // Comments
+                def commentCauses = currentBuild.getBuildCauses("com.adobe.jenkins.github_pr_comment_build.GitHubPullRequestCommentCause")
+                if (commentCauses) {
+                    for (def commentCause : commentCauses) {
+                        echo("""Comment Author: ${commentCause.commentAuthor}, Body: "${commentCause.commentBody}" (${commentCause.commentUrl})""")
+                    }
+                } else {
+                    echo("Build was not started by a PR comment")
+                }
+                
+                // Labels
+                def labelCauses = currentBuild.getBuildCauses("com.adobe.jenkins.github_pr_comment_build.GitHubPullRequestLabelCause")
+                if (labelCauses) {
+                    for (def labelCause : labelCauses) {
+                        echo("""Label Author: ${labelCause.labellingAuthor}, Label: "${labelCause.label}" (${labelCause.labelUrl})""")
+                    }
+                } else {
+                    echo("Build was not started by a PR label")
+                }
+                
+                // Reviews
+                def reviewCauses = currentBuild.getBuildCauses("com.adobe.jenkins.github_pr_comment_build.GitHubPullRequestReviewCause")
+                if (reviewCauses) {
+                    for (def reviewCause : reviewCauses) {
+                        echo("""Review Author: ${reviewCause.reviewAuthor} (${reviewCause.pullRequestUrl})""")
+                    }
+                } else {
+                    echo("Build was not started by a PR review")
+                }
+                
+                // Updates
+                def updateCauses = currentBuild.getBuildCauses("com.adobe.jenkins.github_pr_comment_build.GitHubPullRequestUpdateCause")
+                if (updateCauses) {
+                    for (def updateCause : updateCauses) {
+                        echo("""Update Author: ${updateCause.updateAuthor} (${updateCause.pullRequestUrl})""")
+                    }
+                } else {
+                    echo("Build was not started by a PR update")
+                }
+                
+                // Detecting whether a build was started by the trigger in a script
+                if(currentBuild.upstreamBuilds){
+                    print("Parent")
+                    print(currentBuild.upstreamBuilds[0].getBuildCauses()[0].userId)
+                } else {
+                    print("No parent")
+                    print(currentBuild.getBuildCauses()[0].userId)
+                }
+                
                 def message = ""
                 if (currentBuild.result == 'SUCCESS') {
                     message = "The validation checks have passed." + "<br>" + "The comparison histograms are available [here](${env.WEBPAGES_VAL}list_config.php?pr=/PR$CHANGE_ID)"
diff --git a/scripts/write_toGitHub.sh b/scripts/write_toGitHub.sh
index b84ff1ae..51ec8094 100755
--- a/scripts/write_toGitHub.sh
+++ b/scripts/write_toGitHub.sh
@@ -22,9 +22,9 @@ set +x exec >> log_Jenkins;
 module use /opt/exp_soft/vo.llr.in2p3.fr/modulefiles_el7/; 
 module purge; module load python/3.9.9; 
 # For the organization hgc-tpg
-python /data/jenkins/workspace/create_token_hgc-tpg.py > /tmp/github_token
+#python /data/jenkins/workspace/create_token_hgc-tpg.py > /tmp/github_token
 # For the organization test-org-hgctpg
-#python /data/jenkins/workspace/create_token.py > /tmp/github_token
+python /data/jenkins/workspace/create_token.py > /tmp/github_token
 
 # Compose the url to be used for printing the message in the GitHub PR thread
 # In the string "url" replace "pull" with "issues" and add at the end "comments"