code: def send_command_start_cwa(ssm_client_stub, node_id, parameter_name):
      command_id = str(uuid4())
      ssm_client_stub.add_response(
          "send_command",
          expected_params={
              "DocumentName": "AmazonCloudWatch-ManageAgent",
              "InstanceIds": [node_id],
              "MaxConcurrency": "1",
              "MaxErrors": "0",
              "Parameters": {
                  "action": ["configure"],
                  "mode": ["ec2"],
                  "optionalConfigurationSource": ["ssm"],
                  "optionalConfigurationLocation": [parameter_name],
                  "optionalRestart": ["yes"],
              },
          },
          service_response={"Command": {"CommandId": command_id}},
      )
      return command_id
  
imports: from typing import Dict, List
  import ray
  import copy
  import json
  from uuid import uuid4
  from ray.tests.aws.utils import helpers
  from ray.tests.aws.utils.constants import DEFAULT_INSTANCE_PROFILE, DEFAULT_KEY_PAIR, DEFAULT_SUBNET, A_THOUSAND_SUBNETS_IN_DIFFERENT_VPCS, DEFAULT_LT, TWENTY_SUBNETS_IN_DIFFERENT_AZS
  from ray.autoscaler._private.aws.config import key_pair
  from ray.tests.aws.utils.helpers import get_cloudwatch_dashboard_config_file_path, get_cloudwatch_alarm_config_file_path
  from ray.autoscaler._private.aws.cloudwatch.cloudwatch_helper import CLOUDWATCH_AGENT_INSTALLED_TAG, CLOUDWATCH_CONFIG_HASH_TAG_BASE
  from ray.autoscaler.tags import NODE_KIND_HEAD, TAG_RAY_NODE_KIND
  from unittest import mock
  from botocore.stub import ANY
label_desc: Use image node_id 33 for calling a global function with example usage: send_command_start_cwa(ssm_client_stub, node_id, parameter_name) and returns: command_id