

There are more AWS SDK examples available in the [AWS Doc SDK Examples](https://github.com/awsdocs/aws-doc-sdk-examples) GitHub repo.

# Use `ListContacts` with an AWS SDK
<a name="sesv2_example_sesv2_ListContacts_section"></a>

The following code examples show how to use `ListContacts`.

Action examples are code excerpts from larger programs and must be run in context. You can see this action in context in the following code example: 
+  [Newsletter scenario](sesv2_example_sesv2_NewsletterWorkflow_section.md) 

------
#### [ .NET ]

**SDK for .NET**  
 There's more on GitHub. Find the complete example and learn how to set up and run in the [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/dotnetv3/SESv2#code-examples). 

```
    /// <summary>
    /// Lists the contacts in the specified contact list.
    /// </summary>
    /// <param name="contactListName">The name of the contact list.</param>
    /// <returns>The list of contacts response from the ListContacts operation.</returns>
    public async Task<List<Contact>> ListContactsAsync(string contactListName)
    {
        var request = new ListContactsRequest
        {
            ContactListName = contactListName
        };

        try
        {
            var response = await _sesClient.ListContactsAsync(request);
            return response.Contacts;
        }
        catch (NotFoundException ex)
        {
            Console.WriteLine($"The contact list {contactListName} does not exist.");
            Console.WriteLine(ex.Message);
        }
        catch (TooManyRequestsException ex)
        {
            Console.WriteLine("Too many requests were made. Please try again later.");
            Console.WriteLine(ex.Message);
        }
        catch (Exception ex)
        {
            Console.WriteLine($"An error occurred while listing the contacts: {ex.Message}");
        }

        return new List<Contact>();
    }
```
+  For API details, see [ListContacts](https://docs.aws.amazon.com/goto/DotNetSDKV3/sesv2-2019-09-27/ListContacts) in *AWS SDK for .NET API Reference*. 

------
#### [ Java ]

**SDK for Java 2.x**  
 There's more on GitHub. Find the complete example and learn how to set up and run in the [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/ses#code-examples). 

```
      ListContactsRequest contactListRequest = ListContactsRequest.builder()
          .contactListName(CONTACT_LIST_NAME)
          .build();

      List<String> contactEmails;
      try {
        ListContactsResponse contactListResponse = sesClient.listContacts(contactListRequest);

        contactEmails = contactListResponse.contacts().stream()
            .map(Contact::emailAddress)
            .toList();
      } catch (Exception e) {
        // TODO: Remove when listContacts's GET body issue is resolved.
        contactEmails = this.contacts;
      }
```
+  For API details, see [ListContacts](https://docs.aws.amazon.com/goto/SdkForJavaV2/sesv2-2019-09-27/ListContacts) in *AWS SDK for Java 2.x API Reference*. 

------
#### [ Python ]

**SDK for Python (Boto3)**  
 There's more on GitHub. Find the complete example and learn how to set up and run in the [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/sesv2#code-examples). 

```
def main():
    """
    The main function that orchestrates the execution of the workflow.
    """
    print(INTRO)
    ses_client = boto3.client("sesv2")
    workflow = SESv2Workflow(ses_client)
    try:
        workflow.prepare_application()
        workflow.gather_subscriber_email_addresses()
        workflow.send_coupon_newsletter()
        workflow.monitor_and_review()
    except ClientError as e:
        print_error(e)
    workflow.clean_up()



class SESv2Workflow:
    """
    A class to manage the SES v2 Coupon Newsletter Workflow.
    """

    def __init__(self, ses_client, sleep=True):
        self.ses_client = ses_client
        self.sleep = sleep


        try:
            contacts_response = self.ses_client.list_contacts(
                ContactListName=CONTACT_LIST_NAME
            )
        except ClientError as e:
            if e.response["Error"]["Code"] == "NotFoundException":
                print(f"Contact list '{CONTACT_LIST_NAME}' does not exist.")
                return
            else:
                raise e
```
+  For API details, see [ListContacts](https://docs.aws.amazon.com/goto/boto3/sesv2-2019-09-27/ListContacts) in *AWS SDK for Python (Boto3) API Reference*. 

------
#### [ Rust ]

**SDK for Rust**  
 There's more on GitHub. Find the complete example and learn how to set up and run in the [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/rustv1/examples/ses#code-examples). 

```
async fn show_contacts(client: &Client, list: &str) -> Result<(), Error> {
    let resp = client
        .list_contacts()
        .contact_list_name(list)
        .send()
        .await?;

    println!("Contacts:");

    for contact in resp.contacts() {
        println!("  {}", contact.email_address().unwrap_or_default());
    }

    Ok(())
}
```
+  For API details, see [ListContacts](https://docs.rs/aws-sdk-sesv2/latest/aws_sdk_sesv2/client/struct.Client.html#method.list_contacts) in *AWS SDK for Rust API reference*. 

------
#### [ SAP ABAP ]

**SDK for SAP ABAP**  
 There's more on GitHub. Find the complete example and learn how to set up and run in the [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/sap-abap/services/se2#code-examples). 

```
    TRY.
        oo_result = lo_se2->listcontacts(
          iv_contactlistname = iv_contact_list_name ).
        DATA(lv_count) = lines( oo_result->get_contacts( ) ).
        MESSAGE |Retrieved { lv_count } contacts from list.| TYPE 'I'.
      CATCH /aws1/cx_se2badrequestex INTO DATA(lo_bad_request).
        MESSAGE 'Bad request.' TYPE 'I'.
        RAISE EXCEPTION lo_bad_request.
      CATCH /aws1/cx_se2notfoundexception INTO DATA(lo_not_found).
        MESSAGE 'Contact list not found.' TYPE 'I'.
        RAISE EXCEPTION lo_not_found.
    ENDTRY.
```
+  For API details, see [ListContacts](https://docs.aws.amazon.com/sdk-for-sap-abap/v1/api/latest/index.html) in *AWS SDK for SAP ABAP API reference*. 

------