diff --git a/mmv1/products/vertexai/ReasoningEngine.yaml b/mmv1/products/vertexai/ReasoningEngine.yaml
index 783addf587a2..ce04efa25c4a 100644
--- a/mmv1/products/vertexai/ReasoningEngine.yaml
+++ b/mmv1/products/vertexai/ReasoningEngine.yaml
@@ -47,6 +47,23 @@ examples:
     exclude_docs: true
     vars:
       name: 'reasoning-engine'
+  - name: 'vertex_ai_reasoning_engine_psc_interface'
+    primary_resource_id: 'reasoning_engine'
+    vars:
+      name: 'reasoning-engine'
+      bucket_name: 'reasoning-engine'
+      network_name: 'network'
+      network_attachment_name: 'network-attachment'
+      subnetwork_name: 'subnetwork'
+    external_providers: ["time"]
+    bootstrap_iam:
+      - member: "serviceAccount:service-{project_number}@gcp-sa-aiplatform.iam.gserviceaccount.com"
+        role: "roles/compute.networkAdmin"
+      - member: "serviceAccount:service-{project_number}@gcp-sa-aiplatform.iam.gserviceaccount.com"
+        role: "roles/dns.peer"
+      - member: "serviceAccount:service-{project_number}@gcp-sa-aiplatform-re.iam.gserviceaccount.com"
+        role: "roles/viewer"
+    exclude_test: true
   - name: 'vertex_ai_reasoning_engine_full'
     primary_resource_id: 'reasoning_engine'
     vars:
@@ -198,6 +215,51 @@ properties:
                         The Cloud Secret Manager secret version. Can be 'latest'
                         for the latest version, an integer for a specific
                         version, or a version alias.
+          - name: 'pscInterfaceConfig'
+            type: NestedObject
+            description: |-
+              Optional. Configuration for PSC-Interface.
+            properties:
+              - name: 'networkAttachment'
+                type: String
+                description: |-
+                  Optional. The name of the Compute Engine network attachment
+                  to attach to the resource within the region and user project.
+                  To specify this field, you must have already created a network attachment.
+                  This field is only used for resources using PSC-Interface.
+              - name: 'dnsPeeringConfigs'
+                type: 'Array'
+                description: |
+                  Optional. DNS peering configurations.
+                  When specified, Vertex AI will attempt to configure DNS
+                  peering zones in the tenant project VPC to resolve the
+                  specified domains using the target network's Cloud DNS.
+                  The user must grant the dns.peer role to the Vertex AI
+                  service Agent on the target project.
+                item_type:
+                  type: NestedObject
+                  properties:
+                    - name: 'domain'
+                      type: String
+                      description: |
+                        Required. The DNS name suffix of the zone being peered
+                        to, e.g., "my-internal-domain.corp.".
+                        Must end with a dot.
+                      required: true
+                    - name: 'targetProject'
+                      type: String
+                      description: |
+                        Required. The project id hosting the Cloud DNS managed
+                        zone that contains the 'domain'.
+                        The Vertex AI service Agent requires the dns.peer role
+                        on this project.
+                      required: true
+                    - name: 'targetNetwork'
+                      type: String
+                      description: |
+                        Required. The VPC network name in the targetProject
+                        where the DNS zone specified by 'domain' is visible.
+                      required: true
           - name: 'resourceLimits'
             type: KeyValuePairs
             default_from_api: true
diff --git a/mmv1/templates/terraform/examples/vertex_ai_reasoning_engine_psc_interface.tf.tmpl b/mmv1/templates/terraform/examples/vertex_ai_reasoning_engine_psc_interface.tf.tmpl
new file mode 100644
index 000000000000..485aada7acb0
--- /dev/null
+++ b/mmv1/templates/terraform/examples/vertex_ai_reasoning_engine_psc_interface.tf.tmpl
@@ -0,0 +1,97 @@
+# When PSC-I is configured, Agent deletion will fail,
+# although the agent will be deleted.
+# Bug at https://github.com/hashicorp/terraform-provider-google/issues/25637
+
+resource "google_vertex_ai_reasoning_engine" "{{$.PrimaryResourceId}}" {
+  display_name = "{{index $.Vars "name"}}"
+  description  = "A basic reasoning engine"
+  region       = "us-central1"
+
+  spec {
+    agent_framework = "google-adk"
+
+    package_spec {
+      python_version           = "3.11"
+      dependency_files_gcs_uri = "${google_storage_bucket.bucket.url}/${google_storage_bucket_object.bucket_obj_dependencies_tar_gz.name}"
+      pickle_object_gcs_uri    = "${google_storage_bucket.bucket.url}/${google_storage_bucket_object.bucket_obj_pickle.name}"
+      requirements_gcs_uri     = "${google_storage_bucket.bucket.url}/${google_storage_bucket_object.bucket_obj_requirements_txt.name}"
+    }
+
+    deployment_spec {
+
+      psc_interface_config {
+        network_attachment = google_compute_network_attachment.network_attachment.id
+
+        dns_peering_configs {
+          domain         = "example.com."
+          target_project = data.google_project.project.project_id
+          target_network = google_compute_network.network.name
+        }
+      }
+    }
+  }
+
+  depends_on = [
+    time_sleep.wait_35_minutes
+  ]
+}
+
+resource "google_storage_bucket_object" "bucket_obj_requirements_txt" {
+  name   = "requirements.txt"
+  bucket = google_storage_bucket.bucket.id
+  source = "./test-fixtures/requirements_adk.txt"
+}
+
+resource "google_storage_bucket_object" "bucket_obj_pickle" {
+  name   = "code.pkl"
+  bucket = google_storage_bucket.bucket.id
+  source = "./test-fixtures/pickle_adk.pkl"
+}
+
+resource "google_storage_bucket_object" "bucket_obj_dependencies_tar_gz" {
+  name   = "dependencies.tar.gz"
+  bucket = google_storage_bucket.bucket.id
+  source = "./test-fixtures/dependencies_adk.tar.gz"
+}
+
+resource "google_storage_bucket" "bucket" {
+  name                        = "{{index $.Vars "bucket_name"}}"
+  location                    = "us-central1"
+  uniform_bucket_level_access = true
+  force_destroy               = true
+}
+
+# Destroy network attachment 35 minutes after reasoning engine is deleted.
+# It guarantees that the network attachment has no more active PSC interfaces.
+resource "time_sleep" "wait_35_minutes" {
+  destroy_duration = "35m"
+
+  depends_on = [
+    google_compute_network_attachment.network_attachment
+  ]
+}
+
+resource "google_compute_network_attachment" "network_attachment" {
+  name                  = "{{index $.Vars "network_attachment_name"}}"
+  region                = "us-central1"
+  connection_preference = "ACCEPT_MANUAL"
+
+  subnetworks = [
+    google_compute_subnetwork.subnetwork.id
+  ]
+}
+
+resource "google_compute_subnetwork" "subnetwork" {
+  name          = "{{index $.Vars "subnetwork_name"}}"
+  region        = "us-central1"
+  ip_cidr_range = "10.0.0.0/16"
+  network       = google_compute_network.network.id
+}
+
+resource "google_compute_network" "network" {
+  name                    = "{{index $.Vars "network_name"}}"
+  auto_create_subnetworks = false
+}
+
+data "google_project" "project" {
+}