def send_email(user_id: str, email: str) -> list:
  """Send email to user for notification.

  Args:
      user_id (str): The unique identifier of the user.
      email (str): The email address of the user.

  Returns:
      str: A message indicating whether the email was successfully sent.
  """
  if user_id in USER_INFO_DB:
    return f"Email sent to {email} for user id {user_id}"
  return "Cannot find this user"
Send email to user for notification.

  Args:
      user_id (str): The unique identifier of the user.
      email (str): The email address of the user.

  Returns:
      str: A message indicating whether the email was successfully sent.
  
tests/integration/fixture/ecommerce_customer_service_agent/agent.py