diff --git a/clients/google-api-services-dialogflow/v2/2.0.0/README.md b/clients/google-api-services-dialogflow/v2/2.0.0/README.md
index 6831ead4bd1..e47741a3dba 100644
--- a/clients/google-api-services-dialogflow/v2/2.0.0/README.md
+++ b/clients/google-api-services-dialogflow/v2/2.0.0/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-dialogflow</artifactId>
-      <version>v2-rev20260808-2.0.0</version>
+      <version>v2-rev20260815-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-dialogflow:v2-rev20260808-2.0.0'
+  implementation 'com.google.apis:google-api-services-dialogflow:v2-rev20260815-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-dialogflow/v2/2.0.0/com/google/api/services/dialogflow/v2/model/GoogleCloudDialogflowV2ToolCallResultError.java b/clients/google-api-services-dialogflow/v2/2.0.0/com/google/api/services/dialogflow/v2/model/GoogleCloudDialogflowV2ToolCallResultError.java
index 66326a5f75d..50ac63e0b74 100644
--- a/clients/google-api-services-dialogflow/v2/2.0.0/com/google/api/services/dialogflow/v2/model/GoogleCloudDialogflowV2ToolCallResultError.java
+++ b/clients/google-api-services-dialogflow/v2/2.0.0/com/google/api/services/dialogflow/v2/model/GoogleCloudDialogflowV2ToolCallResultError.java
@@ -35,6 +35,12 @@ public final class GoogleCloudDialogflowV2ToolCallResultError extends com.google
   @com.google.api.client.util.Key
   private java.lang.String message;
 
+  /**
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.Boolean retryable;
+
   /**
    * @return value or {@code null} for none
    */
@@ -50,6 +56,21 @@ public GoogleCloudDialogflowV2ToolCallResultError setMessage(java.lang.String me
     return this;
   }
 
+  /**
+   * @return value or {@code null} for none
+   */
+  public java.lang.Boolean getRetryable() {
+    return retryable;
+  }
+
+  /**
+   * @param retryable retryable or {@code null} for none
+   */
+  public GoogleCloudDialogflowV2ToolCallResultError setRetryable(java.lang.Boolean retryable) {
+    this.retryable = retryable;
+    return this;
+  }
+
   @Override
   public GoogleCloudDialogflowV2ToolCallResultError set(String fieldName, Object value) {
     return (GoogleCloudDialogflowV2ToolCallResultError) super.set(fieldName, value);
diff --git a/clients/google-api-services-dialogflow/v2/2.0.0/com/google/api/services/dialogflow/v2/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java b/clients/google-api-services-dialogflow/v2/2.0.0/com/google/api/services/dialogflow/v2/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
index 0923baa1b2d..c5f30f19242 100644
--- a/clients/google-api-services-dialogflow/v2/2.0.0/com/google/api/services/dialogflow/v2/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
+++ b/clients/google-api-services-dialogflow/v2/2.0.0/com/google/api/services/dialogflow/v2/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
@@ -35,6 +35,12 @@ public final class GoogleCloudDialogflowV2beta1ToolCallResultError extends com.g
   @com.google.api.client.util.Key
   private java.lang.String message;
 
+  /**
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.Boolean retryable;
+
   /**
    * @return value or {@code null} for none
    */
@@ -50,6 +56,21 @@ public GoogleCloudDialogflowV2beta1ToolCallResultError setMessage(java.lang.Stri
     return this;
   }
 
+  /**
+   * @return value or {@code null} for none
+   */
+  public java.lang.Boolean getRetryable() {
+    return retryable;
+  }
+
+  /**
+   * @param retryable retryable or {@code null} for none
+   */
+  public GoogleCloudDialogflowV2beta1ToolCallResultError setRetryable(java.lang.Boolean retryable) {
+    this.retryable = retryable;
+    return this;
+  }
+
   @Override
   public GoogleCloudDialogflowV2beta1ToolCallResultError set(String fieldName, Object value) {
     return (GoogleCloudDialogflowV2beta1ToolCallResultError) super.set(fieldName, value);
diff --git a/clients/google-api-services-dialogflow/v2/2.0.0/pom.xml b/clients/google-api-services-dialogflow/v2/2.0.0/pom.xml
index 694305e6965..234c24fb078 100644
--- a/clients/google-api-services-dialogflow/v2/2.0.0/pom.xml
+++ b/clients/google-api-services-dialogflow/v2/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-dialogflow</artifactId>
-  <version>v2-rev20260808-2.0.0</version>
-  <name>Dialogflow API v2-rev20260808-2.0.0</name>
+  <version>v2-rev20260815-2.0.0</version>
+  <name>Dialogflow API v2-rev20260815-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-dialogflow/v2/README.md b/clients/google-api-services-dialogflow/v2/README.md
index 6831ead4bd1..e47741a3dba 100644
--- a/clients/google-api-services-dialogflow/v2/README.md
+++ b/clients/google-api-services-dialogflow/v2/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-dialogflow</artifactId>
-      <version>v2-rev20260808-2.0.0</version>
+      <version>v2-rev20260815-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-dialogflow:v2-rev20260808-2.0.0'
+  implementation 'com.google.apis:google-api-services-dialogflow:v2-rev20260815-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-dialogflow/v2beta1/2.0.0/README.md b/clients/google-api-services-dialogflow/v2beta1/2.0.0/README.md
index 266f4914710..427ebdec776 100644
--- a/clients/google-api-services-dialogflow/v2beta1/2.0.0/README.md
+++ b/clients/google-api-services-dialogflow/v2beta1/2.0.0/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-dialogflow</artifactId>
-      <version>v2beta1-rev20260808-2.0.0</version>
+      <version>v2beta1-rev20260815-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-dialogflow:v2beta1-rev20260808-2.0.0'
+  implementation 'com.google.apis:google-api-services-dialogflow:v2beta1-rev20260815-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-dialogflow/v2beta1/2.0.0/com/google/api/services/dialogflow/v2beta1/model/GoogleCloudDialogflowV2ToolCallResultError.java b/clients/google-api-services-dialogflow/v2beta1/2.0.0/com/google/api/services/dialogflow/v2beta1/model/GoogleCloudDialogflowV2ToolCallResultError.java
index 4ab0139c184..42e83e57d40 100644
--- a/clients/google-api-services-dialogflow/v2beta1/2.0.0/com/google/api/services/dialogflow/v2beta1/model/GoogleCloudDialogflowV2ToolCallResultError.java
+++ b/clients/google-api-services-dialogflow/v2beta1/2.0.0/com/google/api/services/dialogflow/v2beta1/model/GoogleCloudDialogflowV2ToolCallResultError.java
@@ -35,6 +35,12 @@ public final class GoogleCloudDialogflowV2ToolCallResultError extends com.google
   @com.google.api.client.util.Key
   private java.lang.String message;
 
+  /**
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.Boolean retryable;
+
   /**
    * @return value or {@code null} for none
    */
@@ -50,6 +56,21 @@ public GoogleCloudDialogflowV2ToolCallResultError setMessage(java.lang.String me
     return this;
   }
 
+  /**
+   * @return value or {@code null} for none
+   */
+  public java.lang.Boolean getRetryable() {
+    return retryable;
+  }
+
+  /**
+   * @param retryable retryable or {@code null} for none
+   */
+  public GoogleCloudDialogflowV2ToolCallResultError setRetryable(java.lang.Boolean retryable) {
+    this.retryable = retryable;
+    return this;
+  }
+
   @Override
   public GoogleCloudDialogflowV2ToolCallResultError set(String fieldName, Object value) {
     return (GoogleCloudDialogflowV2ToolCallResultError) super.set(fieldName, value);
diff --git a/clients/google-api-services-dialogflow/v2beta1/2.0.0/com/google/api/services/dialogflow/v2beta1/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java b/clients/google-api-services-dialogflow/v2beta1/2.0.0/com/google/api/services/dialogflow/v2beta1/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
index 8312d5b373c..ef857218f1b 100644
--- a/clients/google-api-services-dialogflow/v2beta1/2.0.0/com/google/api/services/dialogflow/v2beta1/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
+++ b/clients/google-api-services-dialogflow/v2beta1/2.0.0/com/google/api/services/dialogflow/v2beta1/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
@@ -35,6 +35,12 @@ public final class GoogleCloudDialogflowV2beta1ToolCallResultError extends com.g
   @com.google.api.client.util.Key
   private java.lang.String message;
 
+  /**
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.Boolean retryable;
+
   /**
    * @return value or {@code null} for none
    */
@@ -50,6 +56,21 @@ public GoogleCloudDialogflowV2beta1ToolCallResultError setMessage(java.lang.Stri
     return this;
   }
 
+  /**
+   * @return value or {@code null} for none
+   */
+  public java.lang.Boolean getRetryable() {
+    return retryable;
+  }
+
+  /**
+   * @param retryable retryable or {@code null} for none
+   */
+  public GoogleCloudDialogflowV2beta1ToolCallResultError setRetryable(java.lang.Boolean retryable) {
+    this.retryable = retryable;
+    return this;
+  }
+
   @Override
   public GoogleCloudDialogflowV2beta1ToolCallResultError set(String fieldName, Object value) {
     return (GoogleCloudDialogflowV2beta1ToolCallResultError) super.set(fieldName, value);
diff --git a/clients/google-api-services-dialogflow/v2beta1/2.0.0/pom.xml b/clients/google-api-services-dialogflow/v2beta1/2.0.0/pom.xml
index b3e389e16db..c66d570d7f9 100644
--- a/clients/google-api-services-dialogflow/v2beta1/2.0.0/pom.xml
+++ b/clients/google-api-services-dialogflow/v2beta1/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-dialogflow</artifactId>
-  <version>v2beta1-rev20260808-2.0.0</version>
-  <name>Dialogflow API v2beta1-rev20260808-2.0.0</name>
+  <version>v2beta1-rev20260815-2.0.0</version>
+  <name>Dialogflow API v2beta1-rev20260815-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-dialogflow/v2beta1/README.md b/clients/google-api-services-dialogflow/v2beta1/README.md
index 266f4914710..427ebdec776 100644
--- a/clients/google-api-services-dialogflow/v2beta1/README.md
+++ b/clients/google-api-services-dialogflow/v2beta1/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-dialogflow</artifactId>
-      <version>v2beta1-rev20260808-2.0.0</version>
+      <version>v2beta1-rev20260815-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-dialogflow:v2beta1-rev20260808-2.0.0'
+  implementation 'com.google.apis:google-api-services-dialogflow:v2beta1-rev20260815-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-dialogflow/v3/2.0.0/README.md b/clients/google-api-services-dialogflow/v3/2.0.0/README.md
index e7aea59d092..f5d375e240a 100644
--- a/clients/google-api-services-dialogflow/v3/2.0.0/README.md
+++ b/clients/google-api-services-dialogflow/v3/2.0.0/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-dialogflow</artifactId>
-      <version>v3-rev20260808-2.0.0</version>
+      <version>v3-rev20260815-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-dialogflow:v3-rev20260808-2.0.0'
+  implementation 'com.google.apis:google-api-services-dialogflow:v3-rev20260815-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-dialogflow/v3/2.0.0/com/google/api/services/dialogflow/v3/model/GoogleCloudDialogflowV2ToolCallResultError.java b/clients/google-api-services-dialogflow/v3/2.0.0/com/google/api/services/dialogflow/v3/model/GoogleCloudDialogflowV2ToolCallResultError.java
index 390644f5912..e16fc646489 100644
--- a/clients/google-api-services-dialogflow/v3/2.0.0/com/google/api/services/dialogflow/v3/model/GoogleCloudDialogflowV2ToolCallResultError.java
+++ b/clients/google-api-services-dialogflow/v3/2.0.0/com/google/api/services/dialogflow/v3/model/GoogleCloudDialogflowV2ToolCallResultError.java
@@ -35,6 +35,12 @@ public final class GoogleCloudDialogflowV2ToolCallResultError extends com.google
   @com.google.api.client.util.Key
   private java.lang.String message;
 
+  /**
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.Boolean retryable;
+
   /**
    * @return value or {@code null} for none
    */
@@ -50,6 +56,21 @@ public GoogleCloudDialogflowV2ToolCallResultError setMessage(java.lang.String me
     return this;
   }
 
+  /**
+   * @return value or {@code null} for none
+   */
+  public java.lang.Boolean getRetryable() {
+    return retryable;
+  }
+
+  /**
+   * @param retryable retryable or {@code null} for none
+   */
+  public GoogleCloudDialogflowV2ToolCallResultError setRetryable(java.lang.Boolean retryable) {
+    this.retryable = retryable;
+    return this;
+  }
+
   @Override
   public GoogleCloudDialogflowV2ToolCallResultError set(String fieldName, Object value) {
     return (GoogleCloudDialogflowV2ToolCallResultError) super.set(fieldName, value);
diff --git a/clients/google-api-services-dialogflow/v3/2.0.0/com/google/api/services/dialogflow/v3/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java b/clients/google-api-services-dialogflow/v3/2.0.0/com/google/api/services/dialogflow/v3/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
index ca9e4903059..59cb50b15bc 100644
--- a/clients/google-api-services-dialogflow/v3/2.0.0/com/google/api/services/dialogflow/v3/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
+++ b/clients/google-api-services-dialogflow/v3/2.0.0/com/google/api/services/dialogflow/v3/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
@@ -35,6 +35,12 @@ public final class GoogleCloudDialogflowV2beta1ToolCallResultError extends com.g
   @com.google.api.client.util.Key
   private java.lang.String message;
 
+  /**
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.Boolean retryable;
+
   /**
    * @return value or {@code null} for none
    */
@@ -50,6 +56,21 @@ public GoogleCloudDialogflowV2beta1ToolCallResultError setMessage(java.lang.Stri
     return this;
   }
 
+  /**
+   * @return value or {@code null} for none
+   */
+  public java.lang.Boolean getRetryable() {
+    return retryable;
+  }
+
+  /**
+   * @param retryable retryable or {@code null} for none
+   */
+  public GoogleCloudDialogflowV2beta1ToolCallResultError setRetryable(java.lang.Boolean retryable) {
+    this.retryable = retryable;
+    return this;
+  }
+
   @Override
   public GoogleCloudDialogflowV2beta1ToolCallResultError set(String fieldName, Object value) {
     return (GoogleCloudDialogflowV2beta1ToolCallResultError) super.set(fieldName, value);
diff --git a/clients/google-api-services-dialogflow/v3/2.0.0/pom.xml b/clients/google-api-services-dialogflow/v3/2.0.0/pom.xml
index 674ce6808aa..66fee3c34d4 100644
--- a/clients/google-api-services-dialogflow/v3/2.0.0/pom.xml
+++ b/clients/google-api-services-dialogflow/v3/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-dialogflow</artifactId>
-  <version>v3-rev20260808-2.0.0</version>
-  <name>Dialogflow API v3-rev20260808-2.0.0</name>
+  <version>v3-rev20260815-2.0.0</version>
+  <name>Dialogflow API v3-rev20260815-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-dialogflow/v3/README.md b/clients/google-api-services-dialogflow/v3/README.md
index e7aea59d092..f5d375e240a 100644
--- a/clients/google-api-services-dialogflow/v3/README.md
+++ b/clients/google-api-services-dialogflow/v3/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-dialogflow</artifactId>
-      <version>v3-rev20260808-2.0.0</version>
+      <version>v3-rev20260815-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-dialogflow:v3-rev20260808-2.0.0'
+  implementation 'com.google.apis:google-api-services-dialogflow:v3-rev20260815-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-dialogflow/v3beta1/2.0.0/README.md b/clients/google-api-services-dialogflow/v3beta1/2.0.0/README.md
index 76098862a2d..24add0a305a 100644
--- a/clients/google-api-services-dialogflow/v3beta1/2.0.0/README.md
+++ b/clients/google-api-services-dialogflow/v3beta1/2.0.0/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-dialogflow</artifactId>
-      <version>v3beta1-rev20260808-2.0.0</version>
+      <version>v3beta1-rev20260815-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-dialogflow:v3beta1-rev20260808-2.0.0'
+  implementation 'com.google.apis:google-api-services-dialogflow:v3beta1-rev20260815-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-dialogflow/v3beta1/2.0.0/com/google/api/services/dialogflow/v3beta1/model/GoogleCloudDialogflowV2ToolCallResultError.java b/clients/google-api-services-dialogflow/v3beta1/2.0.0/com/google/api/services/dialogflow/v3beta1/model/GoogleCloudDialogflowV2ToolCallResultError.java
index 44658aa9ec1..d7bc552962b 100644
--- a/clients/google-api-services-dialogflow/v3beta1/2.0.0/com/google/api/services/dialogflow/v3beta1/model/GoogleCloudDialogflowV2ToolCallResultError.java
+++ b/clients/google-api-services-dialogflow/v3beta1/2.0.0/com/google/api/services/dialogflow/v3beta1/model/GoogleCloudDialogflowV2ToolCallResultError.java
@@ -35,6 +35,12 @@ public final class GoogleCloudDialogflowV2ToolCallResultError extends com.google
   @com.google.api.client.util.Key
   private java.lang.String message;
 
+  /**
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.Boolean retryable;
+
   /**
    * @return value or {@code null} for none
    */
@@ -50,6 +56,21 @@ public GoogleCloudDialogflowV2ToolCallResultError setMessage(java.lang.String me
     return this;
   }
 
+  /**
+   * @return value or {@code null} for none
+   */
+  public java.lang.Boolean getRetryable() {
+    return retryable;
+  }
+
+  /**
+   * @param retryable retryable or {@code null} for none
+   */
+  public GoogleCloudDialogflowV2ToolCallResultError setRetryable(java.lang.Boolean retryable) {
+    this.retryable = retryable;
+    return this;
+  }
+
   @Override
   public GoogleCloudDialogflowV2ToolCallResultError set(String fieldName, Object value) {
     return (GoogleCloudDialogflowV2ToolCallResultError) super.set(fieldName, value);
diff --git a/clients/google-api-services-dialogflow/v3beta1/2.0.0/com/google/api/services/dialogflow/v3beta1/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java b/clients/google-api-services-dialogflow/v3beta1/2.0.0/com/google/api/services/dialogflow/v3beta1/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
index f041d8823ab..6907a7d1eec 100644
--- a/clients/google-api-services-dialogflow/v3beta1/2.0.0/com/google/api/services/dialogflow/v3beta1/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
+++ b/clients/google-api-services-dialogflow/v3beta1/2.0.0/com/google/api/services/dialogflow/v3beta1/model/GoogleCloudDialogflowV2beta1ToolCallResultError.java
@@ -35,6 +35,12 @@ public final class GoogleCloudDialogflowV2beta1ToolCallResultError extends com.g
   @com.google.api.client.util.Key
   private java.lang.String message;
 
+  /**
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.Boolean retryable;
+
   /**
    * @return value or {@code null} for none
    */
@@ -50,6 +56,21 @@ public GoogleCloudDialogflowV2beta1ToolCallResultError setMessage(java.lang.Stri
     return this;
   }
 
+  /**
+   * @return value or {@code null} for none
+   */
+  public java.lang.Boolean getRetryable() {
+    return retryable;
+  }
+
+  /**
+   * @param retryable retryable or {@code null} for none
+   */
+  public GoogleCloudDialogflowV2beta1ToolCallResultError setRetryable(java.lang.Boolean retryable) {
+    this.retryable = retryable;
+    return this;
+  }
+
   @Override
   public GoogleCloudDialogflowV2beta1ToolCallResultError set(String fieldName, Object value) {
     return (GoogleCloudDialogflowV2beta1ToolCallResultError) super.set(fieldName, value);
diff --git a/clients/google-api-services-dialogflow/v3beta1/2.0.0/pom.xml b/clients/google-api-services-dialogflow/v3beta1/2.0.0/pom.xml
index 1a92ecb51e2..c8cb7fc3110 100644
--- a/clients/google-api-services-dialogflow/v3beta1/2.0.0/pom.xml
+++ b/clients/google-api-services-dialogflow/v3beta1/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-dialogflow</artifactId>
-  <version>v3beta1-rev20260808-2.0.0</version>
-  <name>Dialogflow API v3beta1-rev20260808-2.0.0</name>
+  <version>v3beta1-rev20260815-2.0.0</version>
+  <name>Dialogflow API v3beta1-rev20260815-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-dialogflow/v3beta1/README.md b/clients/google-api-services-dialogflow/v3beta1/README.md
index 76098862a2d..24add0a305a 100644
--- a/clients/google-api-services-dialogflow/v3beta1/README.md
+++ b/clients/google-api-services-dialogflow/v3beta1/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-dialogflow</artifactId>
-      <version>v3beta1-rev20260808-2.0.0</version>
+      <version>v3beta1-rev20260815-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-dialogflow:v3beta1-rev20260808-2.0.0'
+  implementation 'com.google.apis:google-api-services-dialogflow:v3beta1-rev20260815-2.0.0'
 }
 ```