Create an IAM user using an Amazon SDK

    /// <summary>
    /// Create an IAM user.
    /// </summary>
    /// <param name="userName">The username for the new IAM user.</param>
    /// <returns>The IAM user that was created.</returns>
    public async Task<User> CreateUserAsync(string userName)
    {
        var response = await _IAMService.CreateUserAsync(new CreateUserRequest { UserName = userName });
        return response.User;
    }

###############################################################################
# function iecho
#
# This function enables the script to display the specified text only if
# the global variable $VERBOSE is set to true.
###############################################################################
function iecho() {
  if [[ $VERBOSE == true ]]; then
    echo "$@"
  fi
}

###############################################################################
# function errecho
#
# This function outputs everything sent to it to STDERR (standard error output).
###############################################################################
function errecho() {
  printf "%s\n" "$*" 1>&2
}

###############################################################################
# function iam_create_user
#
# This function creates the specified IAM user, unless
# it already exists.
#
# Parameters:
#       -u user_name  -- The name of the user to create.
#
# Returns:
#       The ARN of the user.
#     And:
#       0 - If successful.
#       1 - If it fails.
###############################################################################
function iam_create_user() {
  local user_name response
  local option OPTARG # Required to use getopts command in a function.

  # bashsupport disable=BP5008
  function usage() {
    echo "function iam_create_user"
    echo "Creates an WS Identity and Access Management (IAM) user. You must supply a username:"
    echo "  -u user_name    The name of the user. It must be unique within the account."
    echo ""
  }

  # Retrieve the calling parameters.
  while getopts "u:h" option; do
    case "${option}" in
      u) user_name="${OPTARG}" ;;
      h)
        usage
        return 0
        ;;
      \?)
        echo "Invalid parameter"
        usage
        return 1
        ;;
    esac
  done
  export OPTIND=1

  if [[ -z "$user_name" ]]; then
    errecho "ERROR: You must provide a username with the -u parameter."
    usage
    return 1
  fi

  iecho "Parameters:\n"
  iecho "    User name:   $user_name"
  iecho ""

  # If the user already exists, we don't want to try to create it.
  if (iam_user_exists "$user_name"); then
    errecho "ERROR: A user with that name already exists in the account."
    return 1
  fi

  response=$(aws iam create-user --user-name "$user_name" \
    --output text \
    --query 'User.Arn')

  local error_code=${?}

  if [[ $error_code -ne 0 ]]; then
    aws_cli_error_log $error_code
    errecho "ERROR: AWS reports create-user operation failed.$response"
    return 1
  fi

  echo "$response"

  return 0
}

    Aws::IAM::IAMClient iam(clientConfig);

    Aws::IAM::Model::CreateUserRequest create_request;
    create_request.SetUserName(userName);

    auto create_outcome = iam.CreateUser(create_request);
    if (!create_outcome.IsSuccess()) {
        std::cerr << "Error creating IAM user " << userName << ":" <<
                  create_outcome.GetError().GetMessage() << std::endl;
    }
    else {
        std::cout << "Successfully created IAM user " << userName << std::endl;
    }

    return create_outcome.IsSuccess();

// UserWrapper encapsulates user actions used in the examples.
// It contains an IAM service client that is used to perform user actions.
type UserWrapper struct {
	IamClient *iam.Client
}



// CreateUser creates a new user with the specified name.
func (wrapper UserWrapper) CreateUser(userName string) (*types.User, error) {
	var user *types.User
	result, err := wrapper.IamClient.CreateUser(context.TODO(), &iam.CreateUserInput{
		UserName: aws.String(userName),
	})
	if err != nil {
		log.Printf("Couldn't create user %v. Here's why: %v\n", userName, err)
	} else {
		user = result.User
	}
	return user, err
}

    public static String createIAMUser(IamClient iam, String username ) {

        try {
            // Create an IamWaiter object
            IamWaiter iamWaiter = iam.waiter();

            CreateUserRequest request = CreateUserRequest.builder()
                .userName(username)
                .build();

            CreateUserResponse response = iam.createUser(request);

            // Wait until the user is created
            GetUserRequest userRequest = GetUserRequest.builder()
                .userName(response.user().userName())
                .build();

            WaiterResponse<GetUserResponse> waitUntilUserExists = iamWaiter.waitUntilUserExists(userRequest);
            waitUntilUserExists.matched().response().ifPresent(System.out::println);
            return response.user().userName();

        } catch (IamException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
       return "";
    }

Create the user.

import { CreateUserCommand, IAMClient } from "@aws-sdk/client-iam";

const client = new IAMClient({});

/**
 *
 * @param {string} name
 */
export const createUser = (name) => {
  const command = new CreateUserCommand({ UserName: name });
  return client.send(command);
};

// Load the AWS SDK for Node.js
var AWS = require('aws-sdk');
// Set the region 
AWS.config.update({region: 'REGION'});

// Create the IAM service object
var iam = new AWS.IAM({apiVersion: '2010-05-08'});

var params = {
  UserName: process.argv[2]
};

iam.getUser(params, function(err, data) {
  if (err && err.code === 'NoSuchEntity') {
    iam.createUser(params, function(err, data) {
      if (err) {
        console.log("Error", err);
      } else {
        console.log("Success", data);
      }
    });
  } else {
    console.log("User " + process.argv[2] + " already exists", data.User.UserId);
  }
});

suspend fun createIAMUser(usernameVal: String?): String? {

    val request = CreateUserRequest {
        userName = usernameVal
    }

    IamClient { region = "AWS_GLOBAL" }.use { iamClient ->
        val response = iamClient.createUser(request)
        return response.user?.userName
    }
}

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

$user = $service->createUser("iam_demo_user_$uuid");
echo "Created user with the arn: {$user['Arn']}\n";


    /**
     * @param string $name
     * @return array
     * @throws AwsException
     */
    public function createUser(string $name): array
    {
        $result = $this->iamClient->createUser([
            'UserName' => $name,
        ]);

        return $result['User'];
    }

def create_user(user_name):
    """
    Creates a user. By default, a user has no permissions or access keys.

    :param user_name: The name of the user.
    :return: The newly created user.
    """
    try:
        user = iam.create_user(UserName=user_name)
        logger.info("Created user %s.", user.name)
    except ClientError:
        logger.exception("Couldn't create user %s.", user_name)
        raise
    else:
        return user

  # Creates a user.
  #
  # @param user_name [String] The name to give the user.
  # @return [Aws::IAM::User] The newly created user.
  def create_user(user_name)
    user = @iam_resource.create_user(user_name: user_name)
    puts("Created demo user named #{user.name}.")
  rescue Aws::Errors::ServiceError => e
    puts("Tried and failed to create demo user.")
    puts("\t#{e.code}: #{e.message}")
    puts("\nCan't continue the demo without a user!")
    raise
  else
    user
  end

pub async fn create_user(client: &iamClient, user_name: &str) -> Result<User, iamError> {
    let response = client.create_user().user_name(user_name).send().await?;

    Ok(response.user.unwrap())
}

    public func createUser(name: String) async throws -> String {
        let input = CreateUserInput(
            userName: name
        )
        do {
            let output = try await client.createUser(input: input)
            guard let user = output.user else {
                throw ServiceHandlerError.noSuchUser
            }
            guard let id = user.userId else {
                throw ServiceHandlerError.noSuchUser
            }
            return id
        } catch {
            throw error
        }
    }