Get started with the Cloud Client Libraries for the Workflows API

Demonstrates getting started with the Cloud Client Libraries for Workflows.

Explore further

For detailed documentation that includes this code sample, see the following:

Workflows client libraries

Code sample

C++

Before trying this sample, follow the C++ setup instructions in the Workflows quickstart using client libraries .

To authenticate to Workflows, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .

  #include 
  
 "google/cloud/workflows/v1/workflows_client.h" 
 #include 
  
 "google/cloud/location.h" 
 #include <iostream> 
 int 
  
 main 
 ( 
 int 
  
 argc 
 , 
  
 char 
 * 
  
 argv 
 []) 
  
 try 
  
 { 
  
 if 
  
 ( 
 argc 
  
 != 
  
 3 
 ) 
  
 { 
  
 std 
 :: 
 cerr 
 << 
 "Usage: " 
 << 
 argv 
 [ 
 0 
 ] 
 << 
 " project-id location-id 
 \n 
 " 
 ; 
  
 return 
  
 1 
 ; 
  
 } 
  
 auto 
  
 const 
  
 location 
  
 = 
  
 google 
 :: 
 cloud 
 :: 
 Location 
 ( 
 argv 
 [ 
 1 
 ], 
  
 argv 
 [ 
 2 
 ]); 
  
 namespace 
  
 workflows 
  
 = 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 workflows_v1 
 ; 
  
 auto 
  
 client 
  
 = 
  
 workflows 
 :: 
 WorkflowsClient 
 ( 
 workflows 
 :: 
 MakeWorkflowsConnection 
 ()); 
  
 for 
  
 ( 
 auto 
  
 w 
  
 : 
  
 client 
 . 
 ListWorkflows 
 ( 
 location 
 . 
 FullName 
 ())) 
  
 { 
  
 if 
  
 ( 
 ! 
 w 
 ) 
  
 throw 
  
 std 
 :: 
 move 
 ( 
 w 
 ). 
 status 
 (); 
  
 std 
 :: 
 cout 
 << 
 w 
 - 
> DebugString 
 () 
 << 
 " 
 \n 
 " 
 ; 
  
 } 
  
 return 
  
 0 
 ; 
 } 
  
 catch 
  
 ( 
 google 
 :: 
 cloud 
 :: 
 Status 
  
 const 
&  
 status 
 ) 
  
 { 
  
 std 
 :: 
 cerr 
 << 
 "google::cloud::Status thrown: " 
 << 
 status 
 << 
 " 
 \n 
 " 
 ; 
  
 return 
  
 1 
 ; 
 }

Node.js

Before trying this sample, follow the Node.js setup instructions in the Workflows quickstart using client libraries . For more information, see the Workflows Node.js API reference documentation .

To authenticate to Workflows, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .

  const 
  
 { 
 WorkflowsClient 
 } 
  
 = 
  
 require 
 ( 
 '@google-cloud/workflows' 
 ); 
 const 
  
 client 
  
 = 
  
 new 
  
 WorkflowsClient 
 (); 
 /** 
 * TODO(developer): Uncomment these variables before running the sample. 
 */ 
 // 
  
 const 
  
 projectId 
  
 = 
  
 'my-project' 
 ; 
 // 
  
 const 
  
 location 
  
 = 
  
 'us-central1' 
 ; 
 async 
  
 function 
  
 listWorkflows 
 ( 
 projectId 
 , 
  
 location 
 ) 
  
 { 
  
 const 
  
 [ 
 workflows 
 ] 
  
 = 
  
 await 
  
 client 
 . 
 listWorkflows 
 ( 
 { 
  
 parent 
 : 
  
 client 
 . 
 locationPath 
 ( 
 projectId 
 , 
  
 location 
 ), 
  
 } 
 ); 
  
 for 
  
 ( 
 const 
  
 workflow 
  
 of 
  
 workflows 
 ) 
  
 { 
  
 console 
 . 
 info 
 ( 
 ` 
 name 
 : 
  
 ${ 
 workflow 
 . 
 name 
 }` 
 ); 
  
 } 
 } 
 listWorkflows 
 ( 
 projectId 
 , 
  
 location 
 ). 
 catch 
 ( 
 err 
  
 = 
>  
 { 
  
 console 
 . 
 error 
 ( 
 err 
 . 
 message 
 ); 
  
 process 
 . 
 exitCode 
  
 = 
  
 1 
 ; 
 } 
 );

Node.js

Before trying this sample, follow the Node.js setup instructions in the Workflows quickstart using client libraries . For more information, see the Workflows Node.js API reference documentation .

To authenticate to Workflows, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .

  import 
  
 { 
 WorkflowsClient 
 } 
 from 
  
 '@google-cloud/workflows' 
 ; 
 const 
 client 
 = 
 new 
 WorkflowsClient 
 (); 
 /** 
 * 
 TODO 
 ( 
 developer 
 ): 
 Uncomment 
 these 
 variables 
 before 
 running 
 the 
 sample 
 . 
 */ 
 // 
 const 
 projectId 
 = 
 'my-project' 
 ; 
 // 
 const 
 location 
 = 
 'us-central1' 
 ; 
 async 
 function 
 listWorkflows 
 ( 
 projectId 
 : 
 string 
 , 
 location 
 : 
 string 
 ) 
 { 
 const 
 [ 
 workflows 
 ] 
 = 
 await 
 client 
 . 
 listWorkflows 
 ({ 
 parent 
 : 
 client 
 . 
 locationPath 
 ( 
 projectId 
 , 
 location 
 ), 
 }); 
 for 
 ( 
 const 
 workflow 
 of 
 workflows 
 ) 
 { 
 console 
 . 
 info 
 ( 
 ` 
 name 
 : 
 $ 
 { 
 workflow 
 . 
 name 
 } 
 ` 
 ); 
 } 
 } 
 listWorkflows 
 ( 
 projectId 
 , 
 location 
 ) 
 . 
 catch 
 (( 
 err 
 : 
 Error 
 ) 
 = 
> { 
 console 
 . 
 error 
 ( 
 err 
 . 
 message 
 ); 
 process 
 . 
 exitCode 
 = 
 1 
 ; 
 });

What's next

To search and filter code samples for other Google Cloud products, see the Google Cloud sample browser .

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Explore further

Code sample

C++

Node.js

Node.js

What's next

Get started with the Cloud Client Libraries for the Workflows API