usingGoogle.Cloud.Language.V1;usingSystem;publicclassUseApiKeySample{publicvoidAnalyzeSentiment(stringapiKey){LanguageServiceClientclient=newLanguageServiceClientBuilder{ApiKey=apiKey}.Build();stringtext="Hello, world!";AnalyzeSentimentResponseresponse=client.AnalyzeSentiment(Document.FromPlainText(text));Console.WriteLine($"Text: {text}");Sentimentsentiment=response.DocumentSentiment;Console.WriteLine($"Sentiment: {sentiment.Score}, {sentiment.Magnitude}");Console.WriteLine("Successfully authenticated using the API key");}}

#include"google/cloud/language/v1/language_client.h"#include"google/cloud/credentials.h"#include"google/cloud/options.h"voidAuthenticateWithApiKey(std::vector<std::string>const&argv){if(argv.size()!=2){throwgoogle::cloud::testing_util::Usage{"authenticate-with-api-key <project-id> <api-key>"};}namespacegc=::google::cloud;autooptions=gc::Options{}.set<gc::UnifiedCredentialsOption>(gc::MakeApiKeyCredentials(argv[1]));autoclient=gc::language_v1::LanguageServiceClient(gc::language_v1::MakeLanguageServiceConnection(options));autoconstexprkText="Hello, world!";google::cloud::language::v1::Documentd;d.set_content(kText);d.set_type(google::cloud::language::v1::Document::PLAIN_TEXT);autoresponse=client.AnalyzeSentiment(d,{});if(!response)throwstd::move(response.status());autoconst&sentiment=response->document_sentiment();std::cout <<"Text: " <<kText <<"\n";std::cout <<"Sentiment: " <<sentiment.score() <<", "            <<sentiment.magnitude() <<"\n";std::cout <<"Successfully authenticated using the API key\n";}

import("context""fmt""io"language"cloud.google.com/go/language/apiv1""cloud.google.com/go/language/apiv1/languagepb""google.golang.org/api/option")// authenticateWithAPIKey authenticates with an API key for Google Language// service.funcauthenticateWithAPIKey(wio.Writer,apiKeystring)error{// apiKey := "api-key-string"ctx:=context.Background()// Initialize the Language Service client and set the API key.client,err:=language.NewClient(ctx,option.WithAPIKey(apiKey))iferr!=nil{returnfmt.Errorf("NewClient: %w",err)}deferclient.Close()text:="Hello, world!"// Make a request to analyze the sentiment of the text.res,err:=client.AnalyzeSentiment(ctx,&languagepb.AnalyzeSentimentRequest{Document:&languagepb.Document{Source:&languagepb.Document_Content{Content:text,},Type:languagepb.Document_PLAIN_TEXT,},})iferr!=nil{returnfmt.Errorf("AnalyzeSentiment: %w",err)}fmt.Fprintf(w,"Text: %s\n",text)fmt.Fprintf(w,"Sentiment score: %v\n",res.DocumentSentiment.Score)fmt.Fprintln(w,"Successfully authenticated using the API key.")returnnil}

const{v1:{LanguageServiceClient},}=require('@google-cloud/language');/** * Authenticates with an API key for Google Language service. * * @param {string} apiKey An API Key to use */asyncfunctionauthenticateWithAPIKey(apiKey){constlanguage=newLanguageServiceClient({apiKey});// Alternatively:// const {GoogleAuth} = require('google-auth-library');// const auth = new GoogleAuth({apiKey});// const language = new LanguageServiceClient({auth});consttext='Hello, world!';const[response]=awaitlanguage.analyzeSentiment({document:{content:text,type:'PLAIN_TEXT',},});console.log(`Text:${text}`);console.log(`Sentiment:${response.documentSentiment.score},${response.documentSentiment.magnitude}`,);console.log('Successfully authenticated using the API key');}authenticateWithAPIKey();

fromgoogle.cloudimportlanguage_v1defauthenticate_with_api_key(api_key_string:str)->None:"""    Authenticates with an API key for Google Language service.    TODO(Developer): Replace this variable before running the sample.    Args:        api_key_string: The API key to authenticate to the service.    """# Initialize the Language Service client and set the API keyclient=language_v1.LanguageServiceClient(client_options={"api_key":api_key_string})text="Hello, world!"document=language_v1.Document(content=text,type_=language_v1.Document.Type.PLAIN_TEXT)# Make a request to analyze the sentiment of the text.sentiment=client.analyze_sentiment(request={"document":document}).document_sentimentprint(f"Text:{text}")print(f"Sentiment:{sentiment.score},{sentiment.magnitude}")print("Successfully authenticated using the API key")

require"googleauth"require"google/cloud/language/v1"defauthenticate_with_api_keyapi_key_string# Authenticates with an API key for Google Language service.## TODO(Developer): Uncomment the following line and set the value before running this sample.## api_key_string = "mykey12345"## Note: You can also set the API key via environment variable:#   export GOOGLE_API_KEY=your-api-key# and use Google::Auth::APIKeyCredentials.from_env method to load it.# Example:#   credentials = Google::Auth::APIKeyCredentials.from_env#   if credentials.nil?#     puts "No API key found in environment"#     exit#   end# Initialize API key credentials using the class factory methodcredentials=Google::Auth::APIKeyCredentials.make_credsapi_key:api_key_string# Initialize the Language Service client with the API key credentialsclient=Google::Cloud::Language::V1::LanguageService::Client.newdo|config|config.credentials=credentialsend# Create a document to analyzetext="Hello, world!"document={content:text,type::PLAIN_TEXT}# Make a request to analyze the sentiment of the textsentiment=client.analyze_sentiment(document:document).document_sentimentputs"Text:#{text}"puts"Sentiment:#{sentiment.score},#{sentiment.magnitude}"puts"Successfully authenticated using the API key"end