diff --git a/PubSub/src/V1/Gapic/PublisherGapicClient.php b/PubSub/src/V1/Gapic/PublisherGapicClient.php
index 09e7860e377c..307413da4ffc 100644
--- a/PubSub/src/V1/Gapic/PublisherGapicClient.php
+++ b/PubSub/src/V1/Gapic/PublisherGapicClient.php
@@ -120,7 +120,7 @@ private static function getClientDefaults()
     {
         return [
             'serviceName' => self::SERVICE_NAME,
-            'serviceAddress' => self::SERVICE_ADDRESS.':'.self::DEFAULT_SERVICE_PORT,
+            'apiEndpoint' => self::SERVICE_ADDRESS.':'.self::DEFAULT_SERVICE_PORT,
             'clientConfig' => __DIR__.'/../resources/publisher_client_config.json',
             'descriptorsConfigPath' => __DIR__.'/../resources/publisher_descriptor_config.php',
             'gcpApiConfigPath' => __DIR__.'/../resources/publisher_grpc_config.json',
@@ -248,6 +248,9 @@ public static function parseName($formattedName, $template = null)
      *                       Optional. Options for configuring the service API wrapper.
      *
      *     @type string $serviceAddress
+     *           **Deprecated**. This option will be removed in a future major release. Please
+     *           utilize the `$apiEndpoint` option instead.
+     *     @type string $apiEndpoint
      *           The address of the API remote host. May optionally include the port, formatted
      *           as "<uri>:<port>". Default 'pubsub.googleapis.com:443'.
      *     @type string|array|FetchAuthTokenInterface|CredentialsWrapper $credentials
@@ -275,7 +278,7 @@ public static function parseName($formattedName, $template = null)
      *           or `grpc`. Defaults to `grpc` if gRPC support is detected on the system.
      *           *Advanced usage*: Additionally, it is possible to pass in an already instantiated
      *           {@see \Google\ApiCore\Transport\TransportInterface} object. Note that when this
-     *           object is provided, any settings in $transportConfig, and any $serviceAddress
+     *           object is provided, any settings in $transportConfig, and any `$apiEndpoint`
      *           setting, will be ignored.
      *     @type array $transportConfig
      *           Configuration options that will be used to construct the transport. Options for
diff --git a/PubSub/src/V1/Gapic/SubscriberGapicClient.php b/PubSub/src/V1/Gapic/SubscriberGapicClient.php
index 82183a59018f..fa4892cf28f8 100644
--- a/PubSub/src/V1/Gapic/SubscriberGapicClient.php
+++ b/PubSub/src/V1/Gapic/SubscriberGapicClient.php
@@ -137,7 +137,7 @@ private static function getClientDefaults()
     {
         return [
             'serviceName' => self::SERVICE_NAME,
-            'serviceAddress' => self::SERVICE_ADDRESS.':'.self::DEFAULT_SERVICE_PORT,
+            'apiEndpoint' => self::SERVICE_ADDRESS.':'.self::DEFAULT_SERVICE_PORT,
             'clientConfig' => __DIR__.'/../resources/subscriber_client_config.json',
             'descriptorsConfigPath' => __DIR__.'/../resources/subscriber_descriptor_config.php',
             'gcpApiConfigPath' => __DIR__.'/../resources/subscriber_grpc_config.json',
@@ -323,6 +323,9 @@ public static function parseName($formattedName, $template = null)
      *                       Optional. Options for configuring the service API wrapper.
      *
      *     @type string $serviceAddress
+     *           **Deprecated**. This option will be removed in a future major release. Please
+     *           utilize the `$apiEndpoint` option instead.
+     *     @type string $apiEndpoint
      *           The address of the API remote host. May optionally include the port, formatted
      *           as "<uri>:<port>". Default 'pubsub.googleapis.com:443'.
      *     @type string|array|FetchAuthTokenInterface|CredentialsWrapper $credentials
@@ -350,7 +353,7 @@ public static function parseName($formattedName, $template = null)
      *           or `grpc`. Defaults to `grpc` if gRPC support is detected on the system.
      *           *Advanced usage*: Additionally, it is possible to pass in an already instantiated
      *           {@see \Google\ApiCore\Transport\TransportInterface} object. Note that when this
-     *           object is provided, any settings in $transportConfig, and any $serviceAddress
+     *           object is provided, any settings in $transportConfig, and any `$apiEndpoint`
      *           setting, will be ignored.
      *     @type array $transportConfig
      *           Configuration options that will be used to construct the transport. Options for
diff --git a/PubSub/synth.metadata b/PubSub/synth.metadata
index c63dad623255..84e07f7ba5ff 100644
--- a/PubSub/synth.metadata
+++ b/PubSub/synth.metadata
@@ -1,5 +1,5 @@
 {
-  "updateTime": "2019-08-03T10:01:38.517982Z",
+  "updateTime": "2019-08-07T18:03:13.461076Z",
   "sources": [
     {
       "generator": {
@@ -12,8 +12,8 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "7b212a8d2319cd81a7b6942c25dbf4550480a06c",
-        "internalRef": "261339454"
+        "sha": "3a1b46a6668194a527e532a2c355b404c79b0e6a",
+        "internalRef": "262167956"
       }
     }
   ],