List IAM groups using an Amazon SDK

    /// <summary>
    /// List IAM groups.
    /// </summary>
    /// <returns>A list of IAM groups.</returns>
    public async Task<List<Group>> ListGroupsAsync()
    {
        var groupsPaginator = _IAMService.Paginators.ListGroups(new ListGroupsRequest());
        var groups = new List<Group>();

        await foreach (var response in groupsPaginator.Responses)
        {
            groups.AddRange(response.Groups);
        }

        return groups;
    }

// GroupWrapper encapsulates AWS Identity and Access Management (IAM) group actions
// used in the examples.
// It contains an IAM service client that is used to perform group actions.
type GroupWrapper struct {
	IamClient *iam.Client
}



// ListGroups lists up to maxGroups number of groups.
func (wrapper GroupWrapper) ListGroups(maxGroups int32) ([]types.Group, error) {
	var groups []types.Group
	result, err := wrapper.IamClient.ListGroups(context.TODO(), &iam.ListGroupsInput{
		MaxItems: aws.Int32(maxGroups),
	})
	if err != nil {
		log.Printf("Couldn't list groups. Here's why: %v\n", err)
	} else {
		groups = result.Groups
	}
	return groups, err
}

Create the client.

import { IAMClient } from "@aws-sdk/client-iam";
// Set the AWS Region.
const REGION = "REGION"; // For example, "us-east-1".
// Create an IAM service client object.
const iamClient = new IAMClient({ region: REGION });
export { iamClient };

List the groups.

// Import required AWS SDK clients and commands for Node.js.
import { iamClient } from "./libs/iamClient.js";
import {ListGroupsCommand} from "@aws-sdk/client-iam";

// Set the parameters.
export const params = {
    RoleName: 'ROLE_NAME', /* This is a number value. Required */
    Marker: 'MARKER', /* This is a string value. Optional */
    MaxItems: 'MAX_ITEMS' /* This is a number value. Optional */
};

export const run = async () => {
    try {
        const data = await iamClient.send(new ListGroupsCommand({}));
        console.log("Success", data.Groups);
    } catch (err) {
        console.log("Error", err);
    }
}
run();

$uuid = uniqid();
$service = new IAMService();

    public function listGroups($pathPrefix = "", $marker = "", $maxItems = 0)
    {
        $listGroupsArguments = [];
        if ($pathPrefix) {
            $listGroupsArguments["PathPrefix"] = $pathPrefix;
        }
        if ($marker) {
            $listGroupsArguments["Marker"] = $marker;
        }
        if ($maxItems) {
            $listGroupsArguments["MaxItems"] = $maxItems;
        }

        return $this->iamClient->listGroups($listGroupsArguments);
    }

def list_groups(count):
    """
    Lists the specified number of groups for the account.

    :param count: The number of groups to list.
    """
    try:
        for group in iam.groups.limit(count):
            logger.info("Group: %s", group.name)
    except ClientError:
        logger.exception("Couldn't list groups for the account.")
        raise

  # Lists up to a specified number of groups for the account.
  #
  # @param count [Integer] The maximum number of groups to list.
  def list_groups(count)
    @iam_resource.groups.limit(count).each do |group|
      puts("\t#{group.name}")
    end
  rescue Aws::Errors::ServiceError => e
    puts("Couldn't list groups for the account. Here's why:")
    puts("\t#{e.code}: #{e.message}")
    raise
  end

pub async fn list_groups(
    client: &iamClient,
    path_prefix: Option<String>,
    marker: Option<String>,
    max_items: Option<i32>,
) -> Result<ListGroupsOutput, SdkError<ListGroupsError>> {
    let response = client
        .list_groups()
        .set_path_prefix(path_prefix)
        .set_marker(marker)
        .set_max_items(max_items)
        .send()
        .await?;

    Ok(response)
}

    public func listGroups() async throws -> [String] {
        var groupList: [String] = []
        var marker: String? = nil
        var isTruncated: Bool
        
        repeat {
            let input = ListGroupsInput(marker: marker)
            let output = try await client.listGroups(input: input)
            
            guard let groups = output.groups else {
                return groupList
            }

            for group in groups {
                if let name = group.groupName {
                    groupList.append(name)
                }
            }
            marker = output.marker
            isTruncated = output.isTruncated
        } while isTruncated == true
        return groupList
    }