diff --git a/Functions/samples/V1/CloudFunctionsServiceClient/call_function.php b/Functions/samples/V1/CloudFunctionsServiceClient/call_function.php
new file mode 100644
index 000000000000..3d3ca5a7669a
--- /dev/null
+++ b/Functions/samples/V1/CloudFunctionsServiceClient/call_function.php
@@ -0,0 +1,37 @@
+<?php
+/*
+ * Copyright 2022 Google LLC
+ *
+ * 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
+ *
+ *     https://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.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START cloudfunctions_v1_generated_CloudFunctionsService_CallFunction_sync]
+use Google\Cloud\Functions\V1\CloudFunctionsServiceClient;
+
+$cloudFunctionsServiceClient = new CloudFunctionsServiceClient();
+try {
+    $formattedName = $cloudFunctionsServiceClient->cloudFunctionName('[PROJECT]', '[LOCATION]', '[FUNCTION]');
+    $data = 'data';
+    $response = $cloudFunctionsServiceClient->callFunction($formattedName, $data);
+} finally {
+    $cloudFunctionsServiceClient->close();
+}
+
+// [END cloudfunctions_v1_generated_CloudFunctionsService_CallFunction_sync]
diff --git a/Functions/samples/V1/CloudFunctionsServiceClient/create_function.php b/Functions/samples/V1/CloudFunctionsServiceClient/create_function.php
new file mode 100644
index 000000000000..2b68b32f3de8
--- /dev/null
+++ b/Functions/samples/V1/CloudFunctionsServiceClient/create_function.php
@@ -0,0 +1,66 @@
+<?php
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START cloudfunctions_v1_generated_CloudFunctionsService_CreateFunction_sync]
+use Google\Cloud\Functions\V1\CloudFunction;
+use Google\Cloud\Functions\V1\CloudFunctionsServiceClient;
+
+$cloudFunctionsServiceClient = new CloudFunctionsServiceClient();
+try {
+    $formattedLocation = $cloudFunctionsServiceClient->locationName('[PROJECT]', '[LOCATION]');
+    $function = new CloudFunction();
+    $operationResponse = $cloudFunctionsServiceClient->createFunction($formattedLocation, $function);
+    $operationResponse->pollUntilComplete();
+    if ($operationResponse->operationSucceeded()) {
+        $result = $operationResponse->getResult();
+    // doSomethingWith($result)
+    } else {
+        $error = $operationResponse->getError();
+        // handleError($error)
+    }
+    
+    // Alternatively:
+    // start the operation, keep the operation name, and resume later
+    $operationResponse = $cloudFunctionsServiceClient->createFunction($formattedLocation, $function);
+    $operationName = $operationResponse->getName();
+    // ... do other work
+    $newOperationResponse = $cloudFunctionsServiceClient->resumeOperation($operationName, 'createFunction');
+    while (!$newOperationResponse->isDone()) {
+        // ... do other work
+        $newOperationResponse->reload();
+    }
+    
+    if ($newOperationResponse->operationSucceeded()) {
+        $result = $newOperationResponse->getResult();
+    // doSomethingWith($result)
+    } else {
+        $error = $newOperationResponse->getError();
+        // handleError($error)
+    }
+    
+} finally {
+    $cloudFunctionsServiceClient->close();
+}
+
+// [END cloudfunctions_v1_generated_CloudFunctionsService_CreateFunction_sync]
diff --git a/Functions/samples/V1/CloudFunctionsServiceClient/delete_function.php b/Functions/samples/V1/CloudFunctionsServiceClient/delete_function.php
new file mode 100644
index 000000000000..e08d958418f4
--- /dev/null
+++ b/Functions/samples/V1/CloudFunctionsServiceClient/delete_function.php
@@ -0,0 +1,62 @@
+<?php
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START cloudfunctions_v1_generated_CloudFunctionsService_DeleteFunction_sync]
+use Google\Cloud\Functions\V1\CloudFunctionsServiceClient;
+
+$cloudFunctionsServiceClient = new CloudFunctionsServiceClient();
+try {
+    $formattedName = $cloudFunctionsServiceClient->cloudFunctionName('[PROJECT]', '[LOCATION]', '[FUNCTION]');
+    $operationResponse = $cloudFunctionsServiceClient->deleteFunction($formattedName);
+    $operationResponse->pollUntilComplete();
+    if ($operationResponse->operationSucceeded()) {
+    // operation succeeded and returns no value
+    } else {
+        $error = $operationResponse->getError();
+        // handleError($error)
+    }
+    
+    // Alternatively:
+    // start the operation, keep the operation name, and resume later
+    $operationResponse = $cloudFunctionsServiceClient->deleteFunction($formattedName);
+    $operationName = $operationResponse->getName();
+    // ... do other work
+    $newOperationResponse = $cloudFunctionsServiceClient->resumeOperation($operationName, 'deleteFunction');
+    while (!$newOperationResponse->isDone()) {
+        // ... do other work
+        $newOperationResponse->reload();
+    }
+    
+    if ($newOperationResponse->operationSucceeded()) {
+    // operation succeeded and returns no value
+    } else {
+        $error = $newOperationResponse->getError();
+        // handleError($error)
+    }
+    
+} finally {
+    $cloudFunctionsServiceClient->close();
+}
+
+// [END cloudfunctions_v1_generated_CloudFunctionsService_DeleteFunction_sync]
diff --git a/Functions/samples/V1/CloudFunctionsServiceClient/generate_download_url.php b/Functions/samples/V1/CloudFunctionsServiceClient/generate_download_url.php
new file mode 100644
index 000000000000..d293d6fce3ac
--- /dev/null
+++ b/Functions/samples/V1/CloudFunctionsServiceClient/generate_download_url.php
@@ -0,0 +1,35 @@
+<?php
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START cloudfunctions_v1_generated_CloudFunctionsService_GenerateDownloadUrl_sync]
+use Google\Cloud\Functions\V1\CloudFunctionsServiceClient;
+
+$cloudFunctionsServiceClient = new CloudFunctionsServiceClient();
+try {
+    $response = $cloudFunctionsServiceClient->generateDownloadUrl();
+} finally {
+    $cloudFunctionsServiceClient->close();
+}
+
+// [END cloudfunctions_v1_generated_CloudFunctionsService_GenerateDownloadUrl_sync]
diff --git a/Functions/samples/V1/CloudFunctionsServiceClient/generate_upload_url.php b/Functions/samples/V1/CloudFunctionsServiceClient/generate_upload_url.php
new file mode 100644
index 000000000000..990439418ae0
--- /dev/null
+++ b/Functions/samples/V1/CloudFunctionsServiceClient/generate_upload_url.php
@@ -0,0 +1,35 @@
+<?php
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START cloudfunctions_v1_generated_CloudFunctionsService_GenerateUploadUrl_sync]
+use Google\Cloud\Functions\V1\CloudFunctionsServiceClient;
+
+$cloudFunctionsServiceClient = new CloudFunctionsServiceClient();
+try {
+    $response = $cloudFunctionsServiceClient->generateUploadUrl();
+} finally {
+    $cloudFunctionsServiceClient->close();
+}
+
+// [END cloudfunctions_v1_generated_CloudFunctionsService_GenerateUploadUrl_sync]
diff --git a/Functions/samples/V1/CloudFunctionsServiceClient/get_function.php b/Functions/samples/V1/CloudFunctionsServiceClient/get_function.php
new file mode 100644
index 000000000000..3fcf61a798ab
--- /dev/null
+++ b/Functions/samples/V1/CloudFunctionsServiceClient/get_function.php
@@ -0,0 +1,36 @@
+<?php
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START cloudfunctions_v1_generated_CloudFunctionsService_GetFunction_sync]
+use Google\Cloud\Functions\V1\CloudFunctionsServiceClient;
+
+$cloudFunctionsServiceClient = new CloudFunctionsServiceClient();
+try {
+    $formattedName = $cloudFunctionsServiceClient->cloudFunctionName('[PROJECT]', '[LOCATION]', '[FUNCTION]');
+    $response = $cloudFunctionsServiceClient->getFunction($formattedName);
+} finally {
+    $cloudFunctionsServiceClient->close();
+}
+
+// [END cloudfunctions_v1_generated_CloudFunctionsService_GetFunction_sync]
diff --git a/Functions/samples/V1/CloudFunctionsServiceClient/get_iam_policy.php b/Functions/samples/V1/CloudFunctionsServiceClient/get_iam_policy.php
new file mode 100644
index 000000000000..2cc4516baecc
--- /dev/null
+++ b/Functions/samples/V1/CloudFunctionsServiceClient/get_iam_policy.php
@@ -0,0 +1,36 @@
+<?php
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START cloudfunctions_v1_generated_CloudFunctionsService_GetIamPolicy_sync]
+use Google\Cloud\Functions\V1\CloudFunctionsServiceClient;
+
+$cloudFunctionsServiceClient = new CloudFunctionsServiceClient();
+try {
+    $resource = 'resource';
+    $response = $cloudFunctionsServiceClient->getIamPolicy($resource);
+} finally {
+    $cloudFunctionsServiceClient->close();
+}
+
+// [END cloudfunctions_v1_generated_CloudFunctionsService_GetIamPolicy_sync]
diff --git a/Functions/samples/V1/CloudFunctionsServiceClient/list_functions.php b/Functions/samples/V1/CloudFunctionsServiceClient/list_functions.php
new file mode 100644
index 000000000000..c0ebe02bb105
--- /dev/null
+++ b/Functions/samples/V1/CloudFunctionsServiceClient/list_functions.php
@@ -0,0 +1,50 @@
+<?php
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START cloudfunctions_v1_generated_CloudFunctionsService_ListFunctions_sync]
+use Google\Cloud\Functions\V1\CloudFunctionsServiceClient;
+
+$cloudFunctionsServiceClient = new CloudFunctionsServiceClient();
+try {
+    // Iterate over pages of elements
+    $pagedResponse = $cloudFunctionsServiceClient->listFunctions();
+    foreach ($pagedResponse->iteratePages() as $page) {
+        foreach ($page as $element) {
+            // doSomethingWith($element);
+        }
+        
+    }
+    
+    // Alternatively:
+    // Iterate through all elements
+    $pagedResponse = $cloudFunctionsServiceClient->listFunctions();
+    foreach ($pagedResponse->iterateAllElements() as $element) {
+        // doSomethingWith($element);
+    }
+    
+} finally {
+    $cloudFunctionsServiceClient->close();
+}
+
+// [END cloudfunctions_v1_generated_CloudFunctionsService_ListFunctions_sync]
diff --git a/Functions/samples/V1/CloudFunctionsServiceClient/set_iam_policy.php b/Functions/samples/V1/CloudFunctionsServiceClient/set_iam_policy.php
new file mode 100644
index 000000000000..8470ddf0fc16
--- /dev/null
+++ b/Functions/samples/V1/CloudFunctionsServiceClient/set_iam_policy.php
@@ -0,0 +1,38 @@
+<?php
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START cloudfunctions_v1_generated_CloudFunctionsService_SetIamPolicy_sync]
+use Google\Cloud\Functions\V1\CloudFunctionsServiceClient;
+use Google\Cloud\Iam\V1\Policy;
+
+$cloudFunctionsServiceClient = new CloudFunctionsServiceClient();
+try {
+    $resource = 'resource';
+    $policy = new Policy();
+    $response = $cloudFunctionsServiceClient->setIamPolicy($resource, $policy);
+} finally {
+    $cloudFunctionsServiceClient->close();
+}
+
+// [END cloudfunctions_v1_generated_CloudFunctionsService_SetIamPolicy_sync]
diff --git a/Functions/samples/V1/CloudFunctionsServiceClient/test_iam_permissions.php b/Functions/samples/V1/CloudFunctionsServiceClient/test_iam_permissions.php
new file mode 100644
index 000000000000..527434ee567f
--- /dev/null
+++ b/Functions/samples/V1/CloudFunctionsServiceClient/test_iam_permissions.php
@@ -0,0 +1,37 @@
+<?php
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START cloudfunctions_v1_generated_CloudFunctionsService_TestIamPermissions_sync]
+use Google\Cloud\Functions\V1\CloudFunctionsServiceClient;
+
+$cloudFunctionsServiceClient = new CloudFunctionsServiceClient();
+try {
+    $resource = 'resource';
+    $permissions = [];
+    $response = $cloudFunctionsServiceClient->testIamPermissions($resource, $permissions);
+} finally {
+    $cloudFunctionsServiceClient->close();
+}
+
+// [END cloudfunctions_v1_generated_CloudFunctionsService_TestIamPermissions_sync]
diff --git a/Functions/samples/V1/CloudFunctionsServiceClient/update_function.php b/Functions/samples/V1/CloudFunctionsServiceClient/update_function.php
new file mode 100644
index 000000000000..2b8a0afd5cd1
--- /dev/null
+++ b/Functions/samples/V1/CloudFunctionsServiceClient/update_function.php
@@ -0,0 +1,65 @@
+<?php
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START cloudfunctions_v1_generated_CloudFunctionsService_UpdateFunction_sync]
+use Google\Cloud\Functions\V1\CloudFunction;
+use Google\Cloud\Functions\V1\CloudFunctionsServiceClient;
+
+$cloudFunctionsServiceClient = new CloudFunctionsServiceClient();
+try {
+    $function = new CloudFunction();
+    $operationResponse = $cloudFunctionsServiceClient->updateFunction($function);
+    $operationResponse->pollUntilComplete();
+    if ($operationResponse->operationSucceeded()) {
+        $result = $operationResponse->getResult();
+    // doSomethingWith($result)
+    } else {
+        $error = $operationResponse->getError();
+        // handleError($error)
+    }
+    
+    // Alternatively:
+    // start the operation, keep the operation name, and resume later
+    $operationResponse = $cloudFunctionsServiceClient->updateFunction($function);
+    $operationName = $operationResponse->getName();
+    // ... do other work
+    $newOperationResponse = $cloudFunctionsServiceClient->resumeOperation($operationName, 'updateFunction');
+    while (!$newOperationResponse->isDone()) {
+        // ... do other work
+        $newOperationResponse->reload();
+    }
+    
+    if ($newOperationResponse->operationSucceeded()) {
+        $result = $newOperationResponse->getResult();
+    // doSomethingWith($result)
+    } else {
+        $error = $newOperationResponse->getError();
+        // handleError($error)
+    }
+    
+} finally {
+    $cloudFunctionsServiceClient->close();
+}
+
+// [END cloudfunctions_v1_generated_CloudFunctionsService_UpdateFunction_sync]