<?php
/**
 * Copyright 2018 Google Inc.
 *
 * 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
 *
 *     http://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.
 */

// [START dialogflow_delete_session_entity_type]
namespace Google\Cloud\Samples\Dialogflow;

use Google\Cloud\Dialogflow\V2\Client\SessionEntityTypesClient;
use Google\Cloud\Dialogflow\V2\DeleteSessionEntityTypeRequest;

/**
* Delete a session entity type with the given display name.
*/
function session_entity_type_delete($projectId, $displayName, $sessionId)
{
    $sessionEntityTypesClient = new SessionEntityTypesClient();

    $sessionEntityTypeName = $sessionEntityTypesClient
        ->sessionEntityTypeName($projectId, $sessionId, $displayName);
    $deleteSessionEntityTypeRequest = (new DeleteSessionEntityTypeRequest())
        ->setName($sessionEntityTypeName);
    $sessionEntityTypesClient->deleteSessionEntityType($deleteSessionEntityTypeRequest);
    printf('Session entity type deleted: %s' . PHP_EOL, $sessionEntityTypeName);

    $sessionEntityTypesClient->close();
}
// [END dialogflow_delete_session_entity_type]
