diff --git a/modules/simple_bucket/README.md b/modules/simple_bucket/README.md
index 756173d..238a17f 100644
--- a/modules/simple_bucket/README.md
+++ b/modules/simple_bucket/README.md
@@ -64,6 +64,7 @@ Functional examples are included in the
 
 | Name | Description |
 |------|-------------|
+| apphub\_service\_uri | URI in CAIS style to be used by Apphub. |
 | bucket | The created storage bucket |
 | internal\_kms\_configuration | The intenal KMS Resource. |
 | name | Bucket name. |
diff --git a/modules/simple_bucket/metadata.yaml b/modules/simple_bucket/metadata.yaml
index 82e9c30..4e65670 100644
--- a/modules/simple_bucket/metadata.yaml
+++ b/modules/simple_bucket/metadata.yaml
@@ -171,6 +171,13 @@ spec:
             })
         defaultValue: {}
     outputs:
+      - name: apphub_service_uri
+        description: URI in CAIS style to be used by Apphub.
+        type:
+          - object
+          - location: string
+            service_id: string
+            service_uri: string
       - name: bucket
         description: The created storage bucket
         type:
diff --git a/modules/simple_bucket/outputs.tf b/modules/simple_bucket/outputs.tf
index aa0bd4c..5910591 100644
--- a/modules/simple_bucket/outputs.tf
+++ b/modules/simple_bucket/outputs.tf
@@ -33,3 +33,12 @@ output "internal_kms_configuration" {
   description = "The intenal KMS Resource."
   value       = var.internal_encryption_config.create_encryption_key ? module.encryption_key[0] : null
 }
+
+output "apphub_service_uri" {
+  value = {
+    service_uri = "//storage.googleapis.com/${google_storage_bucket.bucket.name}"
+    service_id  = substr(google_storage_bucket.bucket.name, 0, 63)
+    location    = var.location
+  }
+  description = "URI in CAIS style to be used by Apphub."
+}