diff --git a/mmv1/products/vertexai/FeatureOnlineStore.yaml b/mmv1/products/vertexai/FeatureOnlineStore.yaml
new file mode 100644
index 000000000000..43e6bc47fbc8
--- /dev/null
+++ b/mmv1/products/vertexai/FeatureOnlineStore.yaml
@@ -0,0 +1,105 @@
+# Copyright 2023 Google Inc.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+--- !ruby/object:Api::Resource
+name: FeatureOnlineStore
+base_url: projects/{{project}}/locations/{{region}}/featureOnlineStores
+create_url: projects/{{project}}/locations/{{region}}/featureOnlineStores?featureOnlineStoreId={{name}}
+self_link: projects/{{project}}/locations/{{region}}/featureOnlineStores/{{name}}
+update_verb: :PATCH
+update_mask: true
+references: !ruby/object:Api::Resource::ReferenceLinks
+  api: https://cloud.google.com/vertex-ai/docs/reference/rest/v1/projects.locations.featureOnlineStores
+async: !ruby/object:Api::OpAsync
+  operation: !ruby/object:Api::OpAsync::Operation
+    path: 'name'
+    base_url: '{{op_id}}'
+    wait_ms: 1000
+  result: !ruby/object:Api::OpAsync::Result
+    path: 'response'
+    resource_inside_response: true
+  status: !ruby/object:Api::OpAsync::Status
+    path: 'done'
+    complete: true
+    allowed:
+      - true
+      - false
+  error: !ruby/object:Api::OpAsync::Error
+    path: 'error'
+    message: 'message'
+description: Vertex AI Feature Online Store provides a centralized repository for serving ML features and embedding indexes at low latency. The Feature Online Store is a top-level container.
+autogen_async: false
+examples:
+  - !ruby/object:Provider::Terraform::Examples
+    name: vertex_ai_feature_online_store
+    primary_resource_id: feature_online_store
+    vars:
+      name: example_feature_online_store
+parameters:
+  - !ruby/object:Api::Type::String
+    name: region
+    description: The region of feature online store. eg us-central1
+    url_param_only: true
+    immutable: true
+    required: true
+properties:
+  - !ruby/object:Api::Type::String
+    name: name
+    description: The resource name of the Feature Online Store.
+    immutable: true
+    required: true
+    custom_flatten: templates/terraform/custom_flatten/name_from_self_link.erb
+  - !ruby/object:Api::Type::String
+    name: createTime
+    output: true
+    description: The timestamp of when the feature online store was created in RFC3339 UTC "Zulu" format, with nanosecond resolution and up to nine fractional digits.
+  - !ruby/object:Api::Type::String
+    name: updateTime
+    output: true
+    description: The timestamp of when the feature online store was last updated in RFC3339 UTC "Zulu" format, with nanosecond resolution and up to nine fractional digits.
+  - !ruby/object:Api::Type::String
+    name: etag
+    output: true
+    ignore_read: true
+    description: Used to perform consistent read-modify-write updates.
+  - !ruby/object:Api::Type::KeyValueLabels
+    name: labels
+    description: The labels with user-defined metadata to organize your feature online stores.
+  - !ruby/object:Api::Type::String
+    name: state
+    output: true
+    description: The state of the Feature Online Store. See the possible states in [this link](https://cloud.google.com/vertex-ai/docs/reference/rest/v1/projects.locations.featureOnlineStores#state).
+  - !ruby/object:Api::Type::NestedObject
+    name: bigtable
+    description: Settings for Cloud Bigtable instance that will be created to serve featureValues for all FeatureViews under this FeatureOnlineStore.
+    properties:
+      - !ruby/object:Api::Type::NestedObject
+        name: autoScaling
+        required: true
+        description: Autoscaling config applied to Bigtable Instance.
+        properties:
+          - !ruby/object:Api::Type::Integer
+            name: minNodeCount
+            required: true
+            description: The minimum number of nodes to scale down to. Must be greater than or equal to 1.
+          - !ruby/object:Api::Type::Integer
+            name: maxNodeCount
+            required: true
+            description: The maximum number of nodes to scale up to. Must be greater than or equal to minNodeCount, and less than or equal to 10 times of 'minNodeCount'.
+          - !ruby/object:Api::Type::Integer
+            name: cpuUtilizationTarget
+            default_from_api: true
+            description:
+              A percentage of the cluster's CPU capacity. Can be from 10% to 80%.
+              When a cluster's CPU utilization exceeds the target that you have set,
+              Bigtable immediately adds nodes to the cluster. When CPU utilization is substantially lower than the target, Bigtable removes nodes. If not set will default to 50%.
diff --git a/mmv1/templates/terraform/examples/vertex_ai_feature_online_store.tf.erb b/mmv1/templates/terraform/examples/vertex_ai_feature_online_store.tf.erb
new file mode 100644
index 000000000000..a61fd1f512e6
--- /dev/null
+++ b/mmv1/templates/terraform/examples/vertex_ai_feature_online_store.tf.erb
@@ -0,0 +1,15 @@
+resource google_vertex_ai_feature_online_store "<%= ctx[:primary_resource_id] %>" {
+    name = "<%= ctx[:vars]['name'] %>"
+    region = "us-central1"
+    labels = {
+        label-one = "value-one"
+    }
+
+    bigtable {
+        auto_scaling {
+            min_node_count = 1
+            max_node_count = 2
+            cpu_utilization_target = 60
+        }
+    }
+}
diff --git a/mmv1/third_party/terraform/services/vertexai/resource_vertex_ai_feature_online_store_test.go b/mmv1/third_party/terraform/services/vertexai/resource_vertex_ai_feature_online_store_test.go
new file mode 100644
index 000000000000..5e89cd741b49
--- /dev/null
+++ b/mmv1/third_party/terraform/services/vertexai/resource_vertex_ai_feature_online_store_test.go
@@ -0,0 +1,83 @@
+package vertexai_test
+
+import (
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+
+	"github.com/hashicorp/terraform-provider-google/google/acctest"
+)
+
+func TestAccVertexAIFeatureOnlineStore_updated(t *testing.T) {
+	t.Parallel()
+
+	context := map[string]interface{}{
+		"random_suffix": acctest.RandString(t, 10),
+	}
+
+	acctest.VcrTest(t, resource.TestCase{
+		PreCheck:                 func() { acctest.AccTestPreCheck(t) },
+		ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories(t),
+		CheckDestroy:             testAccCheckVertexAIFeatureOnlineStoreDestroyProducer(t),
+		Steps: []resource.TestStep{
+			{
+				Config: testAccVertexAIFeatureOnlineStore_basic(context),
+			},
+			{
+				ResourceName:            "google_vertex_ai_feature_online_store.feature_online_store",
+				ImportState:             true,
+				ImportStateVerify:       true,
+				ImportStateVerifyIgnore: []string{"etag", "region", "labels", "terraform_labels"},
+			},
+			{
+				Config: testAccVertexAIFeatureOnlineStore_updated(context),
+			},
+			{
+				ResourceName:            "google_vertex_ai_feature_online_store.feature_online_store",
+				ImportState:             true,
+				ImportStateVerify:       true,
+				ImportStateVerifyIgnore: []string{"etag", "region", "labels", "terraform_labels"},
+			},
+		},
+	})
+}
+
+func testAccVertexAIFeatureOnlineStore_basic(context map[string]interface{}) string {
+	return acctest.Nprintf(`
+resource google_vertex_ai_feature_online_store "feature_online_store" {
+    name = "tf_test_feature_online_store%{random_suffix}"
+    region = "us-central1"
+    labels = {
+        label-one = "value-one"
+    }
+
+    bigtable {
+        auto_scaling {
+            min_node_count = 1
+            max_node_count = 2
+            cpu_utilization_target = 60
+        }
+    }
+}
+`, context)
+}
+
+func testAccVertexAIFeatureOnlineStore_updated(context map[string]interface{}) string {
+	return acctest.Nprintf(`
+resource google_vertex_ai_feature_online_store "feature_online_store" {
+    name = "tf_test_feature_online_store%{random_suffix}"
+    region = "us-central1"
+    labels = {
+        label-one = "value-one"
+		label-two = "value-two"
+    }
+
+    bigtable {
+        auto_scaling {
+            min_node_count = 2
+            max_node_count = 3
+        }
+    }
+}
+`, context)
+}