feat: [AiPlatform] Add EmbedContent method v1 (#8688)

* feat: Add EmbedContent method v1

PiperOrigin-RevId: 823219007

Source-Link: googleapis/googleapis@0830bd9

Source-Link: googleapis/googleapis-gen@c7c90cd
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AiPlatform/metadata/V1/PredictionService.php

@@ -0,0 +1,57 @@
+<?php
+/*
+ * Copyright 2025 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 aiplatform_v1_generated_PredictionService_EmbedContent_sync]
+use Google\ApiCore\ApiException;
+use Google\Cloud\AIPlatform\V1\Client\PredictionServiceClient;
+use Google\Cloud\AIPlatform\V1\EmbedContentRequest;
+use Google\Cloud\AIPlatform\V1\EmbedContentResponse;
+
+/**
+ * Embed content with multimodal inputs.
+ *
+ * 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 embed_content_sample(): void
+{
+    // Create a client.
+    $predictionServiceClient = new PredictionServiceClient();
+
+    // Prepare the request message.
+    $request = new EmbedContentRequest();
+
+    // Call the API and handle any network failures.
+    try {
+        /** @var EmbedContentResponse $response */
+        $response = $predictionServiceClient->embedContent($request);
+        printf('Response data: %s' . PHP_EOL, $response->serializeToJsonString());
+    } catch (ApiException $ex) {
+        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
+    }
+}
+// [END aiplatform_v1_generated_PredictionService_EmbedContent_sync]

AiPlatform/metadata/V1/UsageMetadata.php

@@ -42,6 +42,8 @@
 use Google\Cloud\AIPlatform\V1\DirectPredictResponse;
 use Google\Cloud\AIPlatform\V1\DirectRawPredictRequest;
 use Google\Cloud\AIPlatform\V1\DirectRawPredictResponse;
+use Google\Cloud\AIPlatform\V1\EmbedContentRequest;
+use Google\Cloud\AIPlatform\V1\EmbedContentResponse;
 use Google\Cloud\AIPlatform\V1\ExplainRequest;
 use Google\Cloud\AIPlatform\V1\ExplainResponse;
 use Google\Cloud\AIPlatform\V1\GenerateContentRequest;
@@ -76,6 +78,7 @@
  *
  * @method PromiseInterface<DirectPredictResponse> directPredictAsync(DirectPredictRequest $request, array $optionalArgs = [])
  * @method PromiseInterface<DirectRawPredictResponse> directRawPredictAsync(DirectRawPredictRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<EmbedContentResponse> embedContentAsync(EmbedContentRequest $request, array $optionalArgs = [])
  * @method PromiseInterface<ExplainResponse> explainAsync(ExplainRequest $request, array $optionalArgs = [])
  * @method PromiseInterface<GenerateContentResponse> generateContentAsync(GenerateContentRequest $request, array $optionalArgs = [])
  * @method PromiseInterface<PredictResponse> predictAsync(PredictRequest $request, array $optionalArgs = [])
@@ -425,6 +428,32 @@ public function directRawPredict(
         return $this->startApiCall('DirectRawPredict', $request, $callOptions)->wait();
     }
 
+    /**
+     * Embed content with multimodal inputs.
+     *
+     * The async variant is {@see PredictionServiceClient::embedContentAsync()} .
+     *
+     * @example samples/V1/PredictionServiceClient/embed_content.php
+     *
+     * @param EmbedContentRequest $request     A request to house fields associated with the call.
+     * @param array               $callOptions {
+     *     Optional.
+     *
+     *     @type RetrySettings|array $retrySettings
+     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
+     *           associative array of retry settings parameters. See the documentation on
+     *           {@see RetrySettings} for example usage.
+     * }
+     *
+     * @return EmbedContentResponse
+     *
+     * @throws ApiException Thrown if the API call fails.
+     */
+    public function embedContent(EmbedContentRequest $request, array $callOptions = []): EmbedContentResponse
+    {
+        return $this->startApiCall('EmbedContent', $request, $callOptions)->wait();
+    }
+
     /**
      * Perform an online explanation.
      *