diff --git a/src/SaaSServiceManagement/FlagUpdate.php b/src/SaaSServiceManagement/FlagUpdate.php
new file mode 100644
index 0000000000..9ffb47441c
--- /dev/null
+++ b/src/SaaSServiceManagement/FlagUpdate.php
@@ -0,0 +1,48 @@
+<?php
+/*
+ * Copyright 2014 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.
+ */
+
+namespace Google\Service\SaaSServiceManagement;
+
+class FlagUpdate extends \Google\Model
+{
+  /**
+   * Required. Flag release being applied by UnitOperation.
+   *
+   * @var string
+   */
+  public $flagRelease;
+
+  /**
+   * Required. Flag release being applied by UnitOperation.
+   *
+   * @param string $flagRelease
+   */
+  public function setFlagRelease($flagRelease)
+  {
+    $this->flagRelease = $flagRelease;
+  }
+  /**
+   * @return string
+   */
+  public function getFlagRelease()
+  {
+    return $this->flagRelease;
+  }
+}
+
+// Adding a class alias for backwards compatibility with the previous class name.
+class_alias(FlagUpdate::class, 'Google_Service_SaaSServiceManagement_FlagUpdate');
diff --git a/src/SaaSServiceManagement/Rollout.php b/src/SaaSServiceManagement/Rollout.php
index 4836fef84d..1f39c5ed6e 100644
--- a/src/SaaSServiceManagement/Rollout.php
+++ b/src/SaaSServiceManagement/Rollout.php
@@ -112,6 +112,15 @@ class Rollout extends \Google\Model
    * @var string
    */
   public $etag;
+  /**
+   * Optional. Immutable. Name of the FlagRelease to be rolled out to the target
+   * Units. Release and FlagRelease are mutually exclusive. Note: `release`
+   * comment needs to be adjusted to mention that "Release and FlagRelease are
+   * mutually exclusive" when visibility restriction will be lifted.
+   *
+   * @var string
+   */
+  public $flagRelease;
   /**
    * Optional. The labels on the resource, which can be used for categorization.
    * similar to Kubernetes resource labels.
@@ -359,6 +368,25 @@ public function getEtag()
   {
     return $this->etag;
   }
+  /**
+   * Optional. Immutable. Name of the FlagRelease to be rolled out to the target
+   * Units. Release and FlagRelease are mutually exclusive. Note: `release`
+   * comment needs to be adjusted to mention that "Release and FlagRelease are
+   * mutually exclusive" when visibility restriction will be lifted.
+   *
+   * @param string $flagRelease
+   */
+  public function setFlagRelease($flagRelease)
+  {
+    $this->flagRelease = $flagRelease;
+  }
+  /**
+   * @return string
+   */
+  public function getFlagRelease()
+  {
+    return $this->flagRelease;
+  }
   /**
    * Optional. The labels on the resource, which can be used for categorization.
    * similar to Kubernetes resource labels.
diff --git a/src/SaaSServiceManagement/Saas.php b/src/SaaSServiceManagement/Saas.php
index d6f9b41391..cfd7d36e25 100644
--- a/src/SaaSServiceManagement/Saas.php
+++ b/src/SaaSServiceManagement/Saas.php
@@ -23,6 +23,20 @@ class Saas extends \Google\Collection
    * State type is unspecified.
    */
   public const STATE_STATE_TYPE_UNSPECIFIED = 'STATE_TYPE_UNSPECIFIED';
+  /**
+   * The Saas is ready
+   */
+  public const STATE_STATE_ACTIVE = 'STATE_ACTIVE';
+  /**
+   * In the process of importing, synchronizing or replicating
+   * ApplicationTemplates
+   */
+  public const STATE_STATE_RUNNING = 'STATE_RUNNING';
+  /**
+   * Failure during process of importing, synchronizing or replicating
+   * ApplicationTemplate processing
+   */
+  public const STATE_STATE_FAILED = 'STATE_FAILED';
   /**
    * Deprecated: Use STATE_ACTIVE.
    *
@@ -41,20 +55,6 @@ class Saas extends \Google\Collection
    * @deprecated
    */
   public const STATE_FAILED = 'FAILED';
-  /**
-   * The Saas is ready
-   */
-  public const STATE_STATE_ACTIVE = 'STATE_ACTIVE';
-  /**
-   * In the process of importing, synchronizing or replicating
-   * ApplicationTemplates
-   */
-  public const STATE_STATE_RUNNING = 'STATE_RUNNING';
-  /**
-   * Failure during process of importing, synchronizing or replicating
-   * ApplicationTemplate processing
-   */
-  public const STATE_STATE_FAILED = 'STATE_FAILED';
   protected $collection_key = 'locations';
   /**
    * Optional. Annotations is an unstructured key-value map stored with a
@@ -269,8 +269,8 @@ public function getName()
    * Output only. State of the Saas. It is always in ACTIVE state if the
    * application_template is empty.
    *
-   * Accepted values: STATE_TYPE_UNSPECIFIED, ACTIVE, RUNNING, FAILED,
-   * STATE_ACTIVE, STATE_RUNNING, STATE_FAILED
+   * Accepted values: STATE_TYPE_UNSPECIFIED, STATE_ACTIVE, STATE_RUNNING,
+   * STATE_FAILED, ACTIVE, RUNNING, FAILED
    *
    * @param self::STATE_* $state
    */
diff --git a/src/SaaSServiceManagement/Tenant.php b/src/SaaSServiceManagement/Tenant.php
index b1e10a978c..677d787923 100644
--- a/src/SaaSServiceManagement/Tenant.php
+++ b/src/SaaSServiceManagement/Tenant.php
@@ -31,8 +31,8 @@ class Tenant extends \Google\Model
   /**
    * Optional. Immutable. A reference to the consumer resource this SaaS Tenant
    * is representing. The relationship with a consumer resource can be used by
-   * SaaS Runtime for retrieving consumer-defined settings and policies such as
-   * maintenance policies (using Unified Maintenance Policy API).
+   * App Lifecycle Manager for retrieving consumer-defined settings and policies
+   * such as maintenance policies (using Unified Maintenance Policy API).
    *
    * @var string
    */
@@ -68,8 +68,8 @@ class Tenant extends \Google\Model
   public $name;
   /**
    * Required. Immutable. A reference to the Saas that defines the product
-   * (managed service) that the producer wants to manage with SaaS Runtime. Part
-   * of the SaaS Runtime common data model.
+   * (managed service) that the producer wants to manage with App Lifecycle
+   * Manager. Part of the App Lifecycle Manager common data model.
    *
    * @var string
    */
@@ -115,8 +115,8 @@ public function getAnnotations()
   /**
    * Optional. Immutable. A reference to the consumer resource this SaaS Tenant
    * is representing. The relationship with a consumer resource can be used by
-   * SaaS Runtime for retrieving consumer-defined settings and policies such as
-   * maintenance policies (using Unified Maintenance Policy API).
+   * App Lifecycle Manager for retrieving consumer-defined settings and policies
+   * such as maintenance policies (using Unified Maintenance Policy API).
    *
    * @param string $consumerResource
    */
@@ -202,8 +202,8 @@ public function getName()
   }
   /**
    * Required. Immutable. A reference to the Saas that defines the product
-   * (managed service) that the producer wants to manage with SaaS Runtime. Part
-   * of the SaaS Runtime common data model.
+   * (managed service) that the producer wants to manage with App Lifecycle
+   * Manager. Part of the App Lifecycle Manager common data model.
    *
    * @param string $saas
    */
diff --git a/src/SaaSServiceManagement/ToMapping.php b/src/SaaSServiceManagement/ToMapping.php
index 6a41ee0bfc..377415b5d6 100644
--- a/src/SaaSServiceManagement/ToMapping.php
+++ b/src/SaaSServiceManagement/ToMapping.php
@@ -27,8 +27,8 @@ class ToMapping extends \Google\Model
    */
   public $dependency;
   /**
-   * Optional. Tells SaaS Runtime if this mapping should be used during lookup
-   * or not
+   * Optional. Tells App Lifecycle Manager if this mapping should be used during
+   * lookup or not
    *
    * @var bool
    */
@@ -58,8 +58,8 @@ public function getDependency()
     return $this->dependency;
   }
   /**
-   * Optional. Tells SaaS Runtime if this mapping should be used during lookup
-   * or not
+   * Optional. Tells App Lifecycle Manager if this mapping should be used during
+   * lookup or not
    *
    * @param bool $ignoreForLookup
    */
diff --git a/src/SaaSServiceManagement/Unit.php b/src/SaaSServiceManagement/Unit.php
index 84ca43cd2c..2c6f4fab15 100644
--- a/src/SaaSServiceManagement/Unit.php
+++ b/src/SaaSServiceManagement/Unit.php
@@ -103,6 +103,12 @@ class Unit extends \Google\Collection
    * @var string
    */
   public $etag;
+  /**
+   * Optional. Output only. Flag revisions used by this Unit.
+   *
+   * @var string[]
+   */
+  public $flagRevisions;
   protected $inputVariablesType = UnitVariable::class;
   protected $inputVariablesDataType = 'array';
   /**
@@ -327,6 +333,22 @@ public function getEtag()
   {
     return $this->etag;
   }
+  /**
+   * Optional. Output only. Flag revisions used by this Unit.
+   *
+   * @param string[] $flagRevisions
+   */
+  public function setFlagRevisions($flagRevisions)
+  {
+    $this->flagRevisions = $flagRevisions;
+  }
+  /**
+   * @return string[]
+   */
+  public function getFlagRevisions()
+  {
+    return $this->flagRevisions;
+  }
   /**
    * Optional. Output only. Indicates the current input variables deployed by
    * the unit
diff --git a/src/SaaSServiceManagement/UnitKind.php b/src/SaaSServiceManagement/UnitKind.php
index 36dc3a7d68..35336c9792 100644
--- a/src/SaaSServiceManagement/UnitKind.php
+++ b/src/SaaSServiceManagement/UnitKind.php
@@ -35,6 +35,13 @@ class UnitKind extends \Google\Collection
    * @var string
    */
   public $createTime;
+  /**
+   * Optional. Default revisions of flags for this UnitKind. Newly created units
+   * will use the flag default_flag_revisions present at the time of creation.
+   *
+   * @var string[]
+   */
+  public $defaultFlagRevisions;
   /**
    * Optional. A reference to the Release object to use as default for creating
    * new units of this UnitKind (optional). If not specified, a new unit must
@@ -74,8 +81,9 @@ class UnitKind extends \Google\Collection
   protected $outputVariableMappingsDataType = 'array';
   /**
    * Required. Immutable. A reference to the Saas that defines the product
-   * (managed service) that the producer wants to manage with SaaS Runtime. Part
-   * of the SaaS Runtime common data model. Immutable once set.
+   * (managed service) that the producer wants to manage with App Lifecycle
+   * Manager. Part of the App Lifecycle Manager common data model. Immutable
+   * once set.
    *
    * @var string
    */
@@ -134,6 +142,23 @@ public function getCreateTime()
   {
     return $this->createTime;
   }
+  /**
+   * Optional. Default revisions of flags for this UnitKind. Newly created units
+   * will use the flag default_flag_revisions present at the time of creation.
+   *
+   * @param string[] $defaultFlagRevisions
+   */
+  public function setDefaultFlagRevisions($defaultFlagRevisions)
+  {
+    $this->defaultFlagRevisions = $defaultFlagRevisions;
+  }
+  /**
+   * @return string[]
+   */
+  public function getDefaultFlagRevisions()
+  {
+    return $this->defaultFlagRevisions;
+  }
   /**
    * Optional. A reference to the Release object to use as default for creating
    * new units of this UnitKind (optional). If not specified, a new unit must
@@ -260,8 +285,9 @@ public function getOutputVariableMappings()
   }
   /**
    * Required. Immutable. A reference to the Saas that defines the product
-   * (managed service) that the producer wants to manage with SaaS Runtime. Part
-   * of the SaaS Runtime common data model. Immutable once set.
+   * (managed service) that the producer wants to manage with App Lifecycle
+   * Manager. Part of the App Lifecycle Manager common data model. Immutable
+   * once set.
    *
    * @param string $saas
    */
diff --git a/src/SaaSServiceManagement/UnitOperation.php b/src/SaaSServiceManagement/UnitOperation.php
index b6bfd913d5..2a63f1785b 100644
--- a/src/SaaSServiceManagement/UnitOperation.php
+++ b/src/SaaSServiceManagement/UnitOperation.php
@@ -125,6 +125,8 @@ class UnitOperation extends \Google\Collection
    * @var string
    */
   public $etag;
+  protected $flagUpdateType = FlagUpdate::class;
+  protected $flagUpdateDataType = '';
   /**
    * Optional. The labels on the resource, which can be used for categorization.
    * similar to Kubernetes resource labels.
@@ -351,6 +353,20 @@ public function getEtag()
   {
     return $this->etag;
   }
+  /**
+   * @param FlagUpdate $flagUpdate
+   */
+  public function setFlagUpdate(FlagUpdate $flagUpdate)
+  {
+    $this->flagUpdate = $flagUpdate;
+  }
+  /**
+   * @return FlagUpdate
+   */
+  public function getFlagUpdate()
+  {
+    return $this->flagUpdate;
+  }
   /**
    * Optional. The labels on the resource, which can be used for categorization.
    * similar to Kubernetes resource labels.
diff --git a/src/SaaSServiceManagement/UnitVariable.php b/src/SaaSServiceManagement/UnitVariable.php
index 5b11cd2182..912a748319 100644
--- a/src/SaaSServiceManagement/UnitVariable.php
+++ b/src/SaaSServiceManagement/UnitVariable.php
@@ -35,6 +35,14 @@ class UnitVariable extends \Google\Model
    * Variable type is bool.
    */
   public const TYPE_BOOL = 'BOOL';
+  /**
+   * Variable type is struct.
+   */
+  public const TYPE_STRUCT = 'STRUCT';
+  /**
+   * Variable type is list.
+   */
+  public const TYPE_LIST = 'LIST';
   /**
    * Optional. Immutable. Name of a supported variable type. Supported types are
    * string, int, bool.
@@ -59,7 +67,7 @@ class UnitVariable extends \Google\Model
    * Optional. Immutable. Name of a supported variable type. Supported types are
    * string, int, bool.
    *
-   * Accepted values: TYPE_UNSPECIFIED, STRING, INT, BOOL
+   * Accepted values: TYPE_UNSPECIFIED, STRING, INT, BOOL, STRUCT, LIST
    *
    * @param self::TYPE_* $type
    */