feat: added speech endpointing setting (#6596)

feat: added Knowledge Search API
PiperOrigin-RevId: 560215389
Source-Link: googleapis/googleapis@b1666e6
Source-Link: googleapis/googleapis-gen@07e82b4
Copy-Tag: eyJwIjoiRGlhbG9nZmxvdy8uT3dsQm90LnlhbWwiLCJoIjoiMDdlODJiNGQ0OTE3NDk0ZDg1MDM5NzIyZjY3M2Q0MDljNGM3MzA1ZiJ9

Dialogflow/samples/V2/ConversationsClient/search_knowledge.php

@@ -0,0 +1,88 @@
+<?php
+/*
+ * Copyright 2023 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 dialogflow_v2_generated_Conversations_SearchKnowledge_sync]
+use Google\ApiCore\ApiException;
+use Google\Cloud\Dialogflow\V2\ConversationsClient;
+use Google\Cloud\Dialogflow\V2\SearchKnowledgeResponse;
+use Google\Cloud\Dialogflow\V2\TextInput;
+
+/**
+ * Get answers for the given query based on knowledge documents.
+ *
+ * @param string $queryText                    The UTF-8 encoded natural language text to be processed.
+ *                                             Text length must not exceed 256 characters for virtual agent interactions.
+ * @param string $queryLanguageCode            The language of this conversational query. See [Language
+ *                                             Support](https://cloud.google.com/dialogflow/docs/reference/language)
+ *                                             for a list of the currently supported language codes. Note that queries in
+ *                                             the same session do not necessarily need to specify the same language.
+ * @param string $formattedConversationProfile The conversation profile used to configure the search.
+ *                                             Format: `projects/<Project ID>/locations/<Location
+ *                                             ID>/conversationProfiles/<Conversation Profile ID>`. Please see
+ *                                             {@see ConversationsClient::conversationProfileName()} for help formatting this field.
+ */
+function search_knowledge_sample(
+    string $queryText,
+    string $queryLanguageCode,
+    string $formattedConversationProfile
+): void {
+    // Create a client.
+    $conversationsClient = new ConversationsClient();
+
+    // Prepare any non-scalar elements to be passed along with the request.
+    $query = (new TextInput())
+        ->setText($queryText)
+        ->setLanguageCode($queryLanguageCode);
+
+    // Call the API and handle any network failures.
+    try {
+        /** @var SearchKnowledgeResponse $response */
+        $response = $conversationsClient->searchKnowledge($query, $formattedConversationProfile);
+        printf('Response data: %s' . PHP_EOL, $response->serializeToJsonString());
+    } catch (ApiException $ex) {
+        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
+    }
+}
+
+/**
+ * Helper to execute the sample.
+ *
+ * This sample has been automatically generated and should be regarded as a code
+ * template only. It will require modifications to work:
+ *  - It may require correct/in-range values for request initialization.
+ *  - It may require specifying regional endpoints when creating the service client,
+ *    please see the apiEndpoint client configuration option for more details.
+ */
+function callSample(): void
+{
+    $queryText = '[TEXT]';
+    $queryLanguageCode = '[LANGUAGE_CODE]';
+    $formattedConversationProfile = ConversationsClient::conversationProfileName(
+        '[PROJECT]',
+        '[CONVERSATION_PROFILE]'
+    );
+
+    search_knowledge_sample($queryText, $queryLanguageCode, $formattedConversationProfile);
+}
+// [END dialogflow_v2_generated_Conversations_SearchKnowledge_sync]