diff --git a/examples/guardrails/cloudbuild/secure-source-manager/README.md b/examples/guardrails/cloudbuild/secure-source-manager/README.md
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+# Build Repository from Secure Source Manager
+
+Secure Source Manager is code repository
+This file has all the information to pull a repo from secure source manager from cloud build.
+
+## Prerequisites
+
+* Enable the Cloud Build and secret manager API
+* Give the cloud build service account the following roles:
+    a. roles/secretmanager.secretAccessor
+    b. roles/securesourcemanager.instanceAccessor
+    c. roles/securesourcemanager.repoAdmin
+
+* If you have to create a new repo:
+    https://cloud.google.com/secure-source-manager/docs/create-repository
+
+* If the repo is already created, the add an IAM role binding:
+    `gcloud alpha source-manager instances add-iam-policy-binding <ssm_instance_name>  --region='<ssm_instance_region>' --project='cloud-professional-services' --member='<cloudbuild serviceaccount>' --role='roles/securesourcemanager.instanceAccessor'`
+
+
+## Update variable substitutions in webhook trigger
+
+Following substitutions variables needs to be configured in cloud build trigger settings to complete cloud build trigger setup. 
+
+variables:
+```
+  _REPO_URL:  This variable provides information about secure source manager instance url.
+  _REPO_NAME : This variable provides information about secure source manager repo name.
+```
+
diff --git a/examples/guardrails/cloudbuild/secure-source-manager/cloudbuild.yaml b/examples/guardrails/cloudbuild/secure-source-manager/cloudbuild.yaml
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+steps:
+  - name: gcr.io/cloud-builders/git
+    env:
+      - _INSTANCE_URL=$_INSTANCE_URL
+      - _REPO_NAME=$_REPO_NAME
+    script: >
+      #!/bin/sh
+
+
+      git config --global credential.'https://*.*.sourcemanager.dev'.helper
+      gcloud.sh
+
+      git config --global credential.'$_INSTANCE_URL'.helper gcloud.sh
+
+      git clone $_INSTANCE_URL/cloud-professional-services/$_REPO_NAME.git
+      /workspace/
+
+      cd /workspace
+
+      ls -ltrh
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