diff --git a/DataCatalog/metadata/V1/Common.php b/DataCatalog/metadata/V1/Common.php
index 4b9e78194ba7..4c0cec007b61 100644
Binary files a/DataCatalog/metadata/V1/Common.php and b/DataCatalog/metadata/V1/Common.php differ
diff --git a/DataCatalog/metadata/V1/Datacatalog.php b/DataCatalog/metadata/V1/Datacatalog.php
index 183bda70e4df..fafe7a5e99f8 100644
Binary files a/DataCatalog/metadata/V1/Datacatalog.php and b/DataCatalog/metadata/V1/Datacatalog.php differ
diff --git a/DataCatalog/src/V1/DatasetSpec.php b/DataCatalog/src/V1/DatasetSpec.php
new file mode 100644
index 000000000000..62bc3e961fd1
--- /dev/null
+++ b/DataCatalog/src/V1/DatasetSpec.php
@@ -0,0 +1,76 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/cloud/datacatalog/v1/datacatalog.proto
+
+namespace Google\Cloud\DataCatalog\V1;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * Specification that applies to a dataset. Valid only for
+ * entries with the `DATASET` type.
+ *
+ * Generated from protobuf message <code>google.cloud.datacatalog.v1.DatasetSpec</code>
+ */
+class DatasetSpec extends \Google\Protobuf\Internal\Message
+{
+    protected $system_spec;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type \Google\Cloud\DataCatalog\V1\VertexDatasetSpec $vertex_dataset_spec
+     *           Vertex AI Dataset specific fields
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Cloud\Datacatalog\V1\Datacatalog::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * Vertex AI Dataset specific fields
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexDatasetSpec vertex_dataset_spec = 2;</code>
+     * @return \Google\Cloud\DataCatalog\V1\VertexDatasetSpec|null
+     */
+    public function getVertexDatasetSpec()
+    {
+        return $this->readOneof(2);
+    }
+
+    public function hasVertexDatasetSpec()
+    {
+        return $this->hasOneof(2);
+    }
+
+    /**
+     * Vertex AI Dataset specific fields
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexDatasetSpec vertex_dataset_spec = 2;</code>
+     * @param \Google\Cloud\DataCatalog\V1\VertexDatasetSpec $var
+     * @return $this
+     */
+    public function setVertexDatasetSpec($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Cloud\DataCatalog\V1\VertexDatasetSpec::class);
+        $this->writeOneof(2, $var);
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSystemSpec()
+    {
+        return $this->whichOneof("system_spec");
+    }
+
+}
+
diff --git a/DataCatalog/src/V1/Entry.php b/DataCatalog/src/V1/Entry.php
index ef9c69a48c56..c2449e0b729d 100644
--- a/DataCatalog/src/V1/Entry.php
+++ b/DataCatalog/src/V1/Entry.php
@@ -219,11 +219,15 @@ class Entry extends \Google\Protobuf\Internal\Message
      *     @type \Google\Cloud\DataCatalog\V1\RoutineSpec $routine_spec
      *           Specification that applies to a user-defined function or procedure. Valid
      *           only for entries with the `ROUTINE` type.
+     *     @type \Google\Cloud\DataCatalog\V1\DatasetSpec $dataset_spec
+     *           Specification that applies to a dataset.
      *     @type \Google\Cloud\DataCatalog\V1\FilesetSpec $fileset_spec
      *           Specification that applies to a fileset resource. Valid only
      *           for entries with the `FILESET` type.
      *     @type \Google\Cloud\DataCatalog\V1\ServiceSpec $service_spec
      *           Specification that applies to a Service resource.
+     *     @type \Google\Cloud\DataCatalog\V1\ModelSpec $model_spec
+     *           Model specification.
      *     @type string $display_name
      *           Display name of an entry.
      *           The maximum size is 500 bytes when encoded in UTF-8.
@@ -838,6 +842,37 @@ public function setRoutineSpec($var)
         return $this;
     }
 
+    /**
+     * Specification that applies to a dataset.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.DatasetSpec dataset_spec = 32;</code>
+     * @return \Google\Cloud\DataCatalog\V1\DatasetSpec|null
+     */
+    public function getDatasetSpec()
+    {
+        return $this->readOneof(32);
+    }
+
+    public function hasDatasetSpec()
+    {
+        return $this->hasOneof(32);
+    }
+
+    /**
+     * Specification that applies to a dataset.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.DatasetSpec dataset_spec = 32;</code>
+     * @param \Google\Cloud\DataCatalog\V1\DatasetSpec $var
+     * @return $this
+     */
+    public function setDatasetSpec($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Cloud\DataCatalog\V1\DatasetSpec::class);
+        $this->writeOneof(32, $var);
+
+        return $this;
+    }
+
     /**
      * Specification that applies to a fileset resource. Valid only
      * for entries with the `FILESET` type.
@@ -902,6 +937,37 @@ public function setServiceSpec($var)
         return $this;
     }
 
+    /**
+     * Model specification.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.ModelSpec model_spec = 43;</code>
+     * @return \Google\Cloud\DataCatalog\V1\ModelSpec|null
+     */
+    public function getModelSpec()
+    {
+        return $this->readOneof(43);
+    }
+
+    public function hasModelSpec()
+    {
+        return $this->hasOneof(43);
+    }
+
+    /**
+     * Model specification.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.ModelSpec model_spec = 43;</code>
+     * @param \Google\Cloud\DataCatalog\V1\ModelSpec $var
+     * @return $this
+     */
+    public function setModelSpec($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Cloud\DataCatalog\V1\ModelSpec::class);
+        $this->writeOneof(43, $var);
+
+        return $this;
+    }
+
     /**
      * Display name of an entry.
      * The maximum size is 500 bytes when encoded in UTF-8.
diff --git a/DataCatalog/src/V1/IntegratedSystem.php b/DataCatalog/src/V1/IntegratedSystem.php
index 904268fbeca7..09bfbe1624d7 100644
--- a/DataCatalog/src/V1/IntegratedSystem.php
+++ b/DataCatalog/src/V1/IntegratedSystem.php
@@ -67,6 +67,12 @@ class IntegratedSystem
      * Generated from protobuf enum <code>LOOKER = 9;</code>
      */
     const LOOKER = 9;
+    /**
+     * Vertex AI
+     *
+     * Generated from protobuf enum <code>VERTEX_AI = 10;</code>
+     */
+    const VERTEX_AI = 10;
 
     private static $valueToName = [
         self::INTEGRATED_SYSTEM_UNSPECIFIED => 'INTEGRATED_SYSTEM_UNSPECIFIED',
@@ -78,6 +84,7 @@ class IntegratedSystem
         self::CLOUD_BIGTABLE => 'CLOUD_BIGTABLE',
         self::CLOUD_SQL => 'CLOUD_SQL',
         self::LOOKER => 'LOOKER',
+        self::VERTEX_AI => 'VERTEX_AI',
     ];
 
     public static function name($value)
diff --git a/DataCatalog/src/V1/ModelSpec.php b/DataCatalog/src/V1/ModelSpec.php
new file mode 100644
index 000000000000..fe12fc42c3f7
--- /dev/null
+++ b/DataCatalog/src/V1/ModelSpec.php
@@ -0,0 +1,76 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/cloud/datacatalog/v1/datacatalog.proto
+
+namespace Google\Cloud\DataCatalog\V1;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * Specification that applies to a model. Valid only for
+ * entries with the `MODEL` type.
+ *
+ * Generated from protobuf message <code>google.cloud.datacatalog.v1.ModelSpec</code>
+ */
+class ModelSpec extends \Google\Protobuf\Internal\Message
+{
+    protected $system_spec;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type \Google\Cloud\DataCatalog\V1\VertexModelSpec $vertex_model_spec
+     *           Specification for vertex model resources.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Cloud\Datacatalog\V1\Datacatalog::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * Specification for vertex model resources.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexModelSpec vertex_model_spec = 1;</code>
+     * @return \Google\Cloud\DataCatalog\V1\VertexModelSpec|null
+     */
+    public function getVertexModelSpec()
+    {
+        return $this->readOneof(1);
+    }
+
+    public function hasVertexModelSpec()
+    {
+        return $this->hasOneof(1);
+    }
+
+    /**
+     * Specification for vertex model resources.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexModelSpec vertex_model_spec = 1;</code>
+     * @param \Google\Cloud\DataCatalog\V1\VertexModelSpec $var
+     * @return $this
+     */
+    public function setVertexModelSpec($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Cloud\DataCatalog\V1\VertexModelSpec::class);
+        $this->writeOneof(1, $var);
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSystemSpec()
+    {
+        return $this->whichOneof("system_spec");
+    }
+
+}
+
diff --git a/DataCatalog/src/V1/VertexDatasetSpec.php b/DataCatalog/src/V1/VertexDatasetSpec.php
new file mode 100644
index 000000000000..195e4d454b88
--- /dev/null
+++ b/DataCatalog/src/V1/VertexDatasetSpec.php
@@ -0,0 +1,105 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/cloud/datacatalog/v1/datacatalog.proto
+
+namespace Google\Cloud\DataCatalog\V1;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * Specification for vertex dataset resources.
+ *
+ * Generated from protobuf message <code>google.cloud.datacatalog.v1.VertexDatasetSpec</code>
+ */
+class VertexDatasetSpec extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * The number of DataItems in this Dataset. Only apply for non-structured
+     * Dataset.
+     *
+     * Generated from protobuf field <code>int64 data_item_count = 1;</code>
+     */
+    private $data_item_count = 0;
+    /**
+     * Type of the dataset.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexDatasetSpec.DataType data_type = 2;</code>
+     */
+    private $data_type = 0;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type int|string $data_item_count
+     *           The number of DataItems in this Dataset. Only apply for non-structured
+     *           Dataset.
+     *     @type int $data_type
+     *           Type of the dataset.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Cloud\Datacatalog\V1\Datacatalog::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * The number of DataItems in this Dataset. Only apply for non-structured
+     * Dataset.
+     *
+     * Generated from protobuf field <code>int64 data_item_count = 1;</code>
+     * @return int|string
+     */
+    public function getDataItemCount()
+    {
+        return $this->data_item_count;
+    }
+
+    /**
+     * The number of DataItems in this Dataset. Only apply for non-structured
+     * Dataset.
+     *
+     * Generated from protobuf field <code>int64 data_item_count = 1;</code>
+     * @param int|string $var
+     * @return $this
+     */
+    public function setDataItemCount($var)
+    {
+        GPBUtil::checkInt64($var);
+        $this->data_item_count = $var;
+
+        return $this;
+    }
+
+    /**
+     * Type of the dataset.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexDatasetSpec.DataType data_type = 2;</code>
+     * @return int
+     */
+    public function getDataType()
+    {
+        return $this->data_type;
+    }
+
+    /**
+     * Type of the dataset.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexDatasetSpec.DataType data_type = 2;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setDataType($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Cloud\DataCatalog\V1\VertexDatasetSpec\DataType::class);
+        $this->data_type = $var;
+
+        return $this;
+    }
+
+}
+
diff --git a/DataCatalog/src/V1/VertexDatasetSpec/DataType.php b/DataCatalog/src/V1/VertexDatasetSpec/DataType.php
new file mode 100644
index 000000000000..a5372cf15e3b
--- /dev/null
+++ b/DataCatalog/src/V1/VertexDatasetSpec/DataType.php
@@ -0,0 +1,138 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/cloud/datacatalog/v1/datacatalog.proto
+
+namespace Google\Cloud\DataCatalog\V1\VertexDatasetSpec;
+
+use UnexpectedValueException;
+
+/**
+ * Type of data stored in the dataset.
+ *
+ * Protobuf type <code>google.cloud.datacatalog.v1.VertexDatasetSpec.DataType</code>
+ */
+class DataType
+{
+    /**
+     * Should not be used.
+     *
+     * Generated from protobuf enum <code>DATA_TYPE_UNSPECIFIED = 0;</code>
+     */
+    const DATA_TYPE_UNSPECIFIED = 0;
+    /**
+     * Structured data dataset.
+     *
+     * Generated from protobuf enum <code>TABLE = 1;</code>
+     */
+    const TABLE = 1;
+    /**
+     * Image dataset which supports ImageClassification, ImageObjectDetection
+     * and ImageSegmentation problems.
+     *
+     * Generated from protobuf enum <code>IMAGE = 2;</code>
+     */
+    const IMAGE = 2;
+    /**
+     * Document dataset which supports TextClassification, TextExtraction and
+     * TextSentiment problems.
+     *
+     * Generated from protobuf enum <code>TEXT = 3;</code>
+     */
+    const TEXT = 3;
+    /**
+     * Video dataset which supports VideoClassification, VideoObjectTracking and
+     * VideoActionRecognition problems.
+     *
+     * Generated from protobuf enum <code>VIDEO = 4;</code>
+     */
+    const VIDEO = 4;
+    /**
+     * Conversation dataset which supports conversation problems.
+     *
+     * Generated from protobuf enum <code>CONVERSATION = 5;</code>
+     */
+    const CONVERSATION = 5;
+    /**
+     * TimeSeries dataset.
+     *
+     * Generated from protobuf enum <code>TIME_SERIES = 6;</code>
+     */
+    const TIME_SERIES = 6;
+    /**
+     * Document dataset which supports DocumentAnnotation problems.
+     *
+     * Generated from protobuf enum <code>DOCUMENT = 7;</code>
+     */
+    const DOCUMENT = 7;
+    /**
+     * TextToSpeech dataset which supports TextToSpeech problems.
+     *
+     * Generated from protobuf enum <code>TEXT_TO_SPEECH = 8;</code>
+     */
+    const TEXT_TO_SPEECH = 8;
+    /**
+     * Translation dataset which supports Translation problems.
+     *
+     * Generated from protobuf enum <code>TRANSLATION = 9;</code>
+     */
+    const TRANSLATION = 9;
+    /**
+     * Store Vision dataset which is used for HITL integration.
+     *
+     * Generated from protobuf enum <code>STORE_VISION = 10;</code>
+     */
+    const STORE_VISION = 10;
+    /**
+     * Enterprise Knowledge Graph dataset which is used for HITL labeling
+     * integration.
+     *
+     * Generated from protobuf enum <code>ENTERPRISE_KNOWLEDGE_GRAPH = 11;</code>
+     */
+    const ENTERPRISE_KNOWLEDGE_GRAPH = 11;
+    /**
+     * Text prompt dataset which supports Large Language Models.
+     *
+     * Generated from protobuf enum <code>TEXT_PROMPT = 12;</code>
+     */
+    const TEXT_PROMPT = 12;
+
+    private static $valueToName = [
+        self::DATA_TYPE_UNSPECIFIED => 'DATA_TYPE_UNSPECIFIED',
+        self::TABLE => 'TABLE',
+        self::IMAGE => 'IMAGE',
+        self::TEXT => 'TEXT',
+        self::VIDEO => 'VIDEO',
+        self::CONVERSATION => 'CONVERSATION',
+        self::TIME_SERIES => 'TIME_SERIES',
+        self::DOCUMENT => 'DOCUMENT',
+        self::TEXT_TO_SPEECH => 'TEXT_TO_SPEECH',
+        self::TRANSLATION => 'TRANSLATION',
+        self::STORE_VISION => 'STORE_VISION',
+        self::ENTERPRISE_KNOWLEDGE_GRAPH => 'ENTERPRISE_KNOWLEDGE_GRAPH',
+        self::TEXT_PROMPT => 'TEXT_PROMPT',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+
+// Adding a class alias for backwards compatibility with the previous class name.
+class_alias(DataType::class, \Google\Cloud\DataCatalog\V1\VertexDatasetSpec_DataType::class);
+
diff --git a/DataCatalog/src/V1/VertexModelSourceInfo.php b/DataCatalog/src/V1/VertexModelSourceInfo.php
new file mode 100644
index 000000000000..db2931341998
--- /dev/null
+++ b/DataCatalog/src/V1/VertexModelSourceInfo.php
@@ -0,0 +1,109 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/cloud/datacatalog/v1/datacatalog.proto
+
+namespace Google\Cloud\DataCatalog\V1;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * Detail description of the source information of a Vertex model.
+ *
+ * Generated from protobuf message <code>google.cloud.datacatalog.v1.VertexModelSourceInfo</code>
+ */
+class VertexModelSourceInfo extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * Type of the model source.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexModelSourceInfo.ModelSourceType source_type = 1;</code>
+     */
+    private $source_type = 0;
+    /**
+     * If this Model is copy of another Model. If true then
+     * [source_type][google.cloud.datacatalog.v1.VertexModelSourceInfo.source_type]
+     * pertains to the original.
+     *
+     * Generated from protobuf field <code>bool copy = 2;</code>
+     */
+    private $copy = false;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type int $source_type
+     *           Type of the model source.
+     *     @type bool $copy
+     *           If this Model is copy of another Model. If true then
+     *           [source_type][google.cloud.datacatalog.v1.VertexModelSourceInfo.source_type]
+     *           pertains to the original.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Cloud\Datacatalog\V1\Datacatalog::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * Type of the model source.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexModelSourceInfo.ModelSourceType source_type = 1;</code>
+     * @return int
+     */
+    public function getSourceType()
+    {
+        return $this->source_type;
+    }
+
+    /**
+     * Type of the model source.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexModelSourceInfo.ModelSourceType source_type = 1;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setSourceType($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Cloud\DataCatalog\V1\VertexModelSourceInfo\ModelSourceType::class);
+        $this->source_type = $var;
+
+        return $this;
+    }
+
+    /**
+     * If this Model is copy of another Model. If true then
+     * [source_type][google.cloud.datacatalog.v1.VertexModelSourceInfo.source_type]
+     * pertains to the original.
+     *
+     * Generated from protobuf field <code>bool copy = 2;</code>
+     * @return bool
+     */
+    public function getCopy()
+    {
+        return $this->copy;
+    }
+
+    /**
+     * If this Model is copy of another Model. If true then
+     * [source_type][google.cloud.datacatalog.v1.VertexModelSourceInfo.source_type]
+     * pertains to the original.
+     *
+     * Generated from protobuf field <code>bool copy = 2;</code>
+     * @param bool $var
+     * @return $this
+     */
+    public function setCopy($var)
+    {
+        GPBUtil::checkBool($var);
+        $this->copy = $var;
+
+        return $this;
+    }
+
+}
+
diff --git a/DataCatalog/src/V1/VertexModelSourceInfo/ModelSourceType.php b/DataCatalog/src/V1/VertexModelSourceInfo/ModelSourceType.php
new file mode 100644
index 000000000000..7b0e1d42765c
--- /dev/null
+++ b/DataCatalog/src/V1/VertexModelSourceInfo/ModelSourceType.php
@@ -0,0 +1,78 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/cloud/datacatalog/v1/datacatalog.proto
+
+namespace Google\Cloud\DataCatalog\V1\VertexModelSourceInfo;
+
+use UnexpectedValueException;
+
+/**
+ * Source of the model.
+ *
+ * Protobuf type <code>google.cloud.datacatalog.v1.VertexModelSourceInfo.ModelSourceType</code>
+ */
+class ModelSourceType
+{
+    /**
+     * Should not be used.
+     *
+     * Generated from protobuf enum <code>MODEL_SOURCE_TYPE_UNSPECIFIED = 0;</code>
+     */
+    const MODEL_SOURCE_TYPE_UNSPECIFIED = 0;
+    /**
+     * The Model is uploaded by automl training pipeline.
+     *
+     * Generated from protobuf enum <code>AUTOML = 1;</code>
+     */
+    const AUTOML = 1;
+    /**
+     * The Model is uploaded by user or custom training pipeline.
+     *
+     * Generated from protobuf enum <code>CUSTOM = 2;</code>
+     */
+    const CUSTOM = 2;
+    /**
+     * The Model is registered and sync'ed from BigQuery ML.
+     *
+     * Generated from protobuf enum <code>BQML = 3;</code>
+     */
+    const BQML = 3;
+    /**
+     * The Model is saved or tuned from Model Garden.
+     *
+     * Generated from protobuf enum <code>MODEL_GARDEN = 4;</code>
+     */
+    const MODEL_GARDEN = 4;
+
+    private static $valueToName = [
+        self::MODEL_SOURCE_TYPE_UNSPECIFIED => 'MODEL_SOURCE_TYPE_UNSPECIFIED',
+        self::AUTOML => 'AUTOML',
+        self::CUSTOM => 'CUSTOM',
+        self::BQML => 'BQML',
+        self::MODEL_GARDEN => 'MODEL_GARDEN',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+
+// Adding a class alias for backwards compatibility with the previous class name.
+class_alias(ModelSourceType::class, \Google\Cloud\DataCatalog\V1\VertexModelSourceInfo_ModelSourceType::class);
+
diff --git a/DataCatalog/src/V1/VertexModelSpec.php b/DataCatalog/src/V1/VertexModelSpec.php
new file mode 100644
index 000000000000..431b02b4abfc
--- /dev/null
+++ b/DataCatalog/src/V1/VertexModelSpec.php
@@ -0,0 +1,221 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/cloud/datacatalog/v1/datacatalog.proto
+
+namespace Google\Cloud\DataCatalog\V1;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * Specification for vertex model resources.
+ *
+ * Generated from protobuf message <code>google.cloud.datacatalog.v1.VertexModelSpec</code>
+ */
+class VertexModelSpec extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * The version ID of the model.
+     *
+     * Generated from protobuf field <code>string version_id = 1;</code>
+     */
+    private $version_id = '';
+    /**
+     * User provided version aliases so that a model version can be referenced via
+     * alias
+     *
+     * Generated from protobuf field <code>repeated string version_aliases = 2;</code>
+     */
+    private $version_aliases;
+    /**
+     * The description of this version.
+     *
+     * Generated from protobuf field <code>string version_description = 3;</code>
+     */
+    private $version_description = '';
+    /**
+     * Source of a Vertex model.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexModelSourceInfo vertex_model_source_info = 4;</code>
+     */
+    private $vertex_model_source_info = null;
+    /**
+     * URI of the Docker image to be used as the custom container for serving
+     * predictions.
+     *
+     * Generated from protobuf field <code>string container_image_uri = 5;</code>
+     */
+    private $container_image_uri = '';
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type string $version_id
+     *           The version ID of the model.
+     *     @type array<string>|\Google\Protobuf\Internal\RepeatedField $version_aliases
+     *           User provided version aliases so that a model version can be referenced via
+     *           alias
+     *     @type string $version_description
+     *           The description of this version.
+     *     @type \Google\Cloud\DataCatalog\V1\VertexModelSourceInfo $vertex_model_source_info
+     *           Source of a Vertex model.
+     *     @type string $container_image_uri
+     *           URI of the Docker image to be used as the custom container for serving
+     *           predictions.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Cloud\Datacatalog\V1\Datacatalog::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * The version ID of the model.
+     *
+     * Generated from protobuf field <code>string version_id = 1;</code>
+     * @return string
+     */
+    public function getVersionId()
+    {
+        return $this->version_id;
+    }
+
+    /**
+     * The version ID of the model.
+     *
+     * Generated from protobuf field <code>string version_id = 1;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setVersionId($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->version_id = $var;
+
+        return $this;
+    }
+
+    /**
+     * User provided version aliases so that a model version can be referenced via
+     * alias
+     *
+     * Generated from protobuf field <code>repeated string version_aliases = 2;</code>
+     * @return \Google\Protobuf\Internal\RepeatedField
+     */
+    public function getVersionAliases()
+    {
+        return $this->version_aliases;
+    }
+
+    /**
+     * User provided version aliases so that a model version can be referenced via
+     * alias
+     *
+     * Generated from protobuf field <code>repeated string version_aliases = 2;</code>
+     * @param array<string>|\Google\Protobuf\Internal\RepeatedField $var
+     * @return $this
+     */
+    public function setVersionAliases($var)
+    {
+        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::STRING);
+        $this->version_aliases = $arr;
+
+        return $this;
+    }
+
+    /**
+     * The description of this version.
+     *
+     * Generated from protobuf field <code>string version_description = 3;</code>
+     * @return string
+     */
+    public function getVersionDescription()
+    {
+        return $this->version_description;
+    }
+
+    /**
+     * The description of this version.
+     *
+     * Generated from protobuf field <code>string version_description = 3;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setVersionDescription($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->version_description = $var;
+
+        return $this;
+    }
+
+    /**
+     * Source of a Vertex model.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexModelSourceInfo vertex_model_source_info = 4;</code>
+     * @return \Google\Cloud\DataCatalog\V1\VertexModelSourceInfo|null
+     */
+    public function getVertexModelSourceInfo()
+    {
+        return $this->vertex_model_source_info;
+    }
+
+    public function hasVertexModelSourceInfo()
+    {
+        return isset($this->vertex_model_source_info);
+    }
+
+    public function clearVertexModelSourceInfo()
+    {
+        unset($this->vertex_model_source_info);
+    }
+
+    /**
+     * Source of a Vertex model.
+     *
+     * Generated from protobuf field <code>.google.cloud.datacatalog.v1.VertexModelSourceInfo vertex_model_source_info = 4;</code>
+     * @param \Google\Cloud\DataCatalog\V1\VertexModelSourceInfo $var
+     * @return $this
+     */
+    public function setVertexModelSourceInfo($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Cloud\DataCatalog\V1\VertexModelSourceInfo::class);
+        $this->vertex_model_source_info = $var;
+
+        return $this;
+    }
+
+    /**
+     * URI of the Docker image to be used as the custom container for serving
+     * predictions.
+     *
+     * Generated from protobuf field <code>string container_image_uri = 5;</code>
+     * @return string
+     */
+    public function getContainerImageUri()
+    {
+        return $this->container_image_uri;
+    }
+
+    /**
+     * URI of the Docker image to be used as the custom container for serving
+     * predictions.
+     *
+     * Generated from protobuf field <code>string container_image_uri = 5;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setContainerImageUri($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->container_image_uri = $var;
+
+        return $this;
+    }
+
+}
+