text: import boto3
  import os
  import json
  import re
  from decimal import Decimal
  from botocore.exceptions import ClientError
  
  def updateRecordVerificationStatus(documentId, passed):
      dynamodb = boto3.resource('dynamodb')
      metadataTable = dynamodb.Table(os.environ["DOCUMENT_METADATA_TABLE"])
      print("Updating the verification status on the record documentId: {} with result: {}".format(documentId, passed))
  
      response = metadataTable.update_item(
          Key={
              'documentId': documentId
          },
          UpdateExpression="set passedSanityCheck=:p",
          ExpressionAttributeValues={
              ':p': passed
          },
          ReturnValues="UPDATED_NEW"
      )
      return response
  
  def checkRecord(record): 
      newImage = record["dynamodb"]["NewImage"]
  
      if ("passedSanityCheck" in newImage and "S" in newImage["passedSanityCheck"]):
          print("Record already have sanity check results with value: {}. Skipping the record.".format(newImage["passedSanityCheck"]["S"]))
          return
      
      documentId = None
      # Additional key-value pairs to be checked. For example name, address, etc.
      # nama = None
      
      if("documentId" in newImage and "S" in newImage["documentId"]):
          documentId = newImage["documentId"]["S"]
  
      # Process any additional validation here.
      # For example Regex validation or confidence validation.
      passed = "false"
      print("Checking if NIB exists")
      if (documentId):
          passed = "true"
  
      updateRecordVerificationStatus(documentId, passed)
  
  
  def lambda_handler(event, context):
      try:
          print("event: {}".format(event))
  
          if("Records" in event and event["Records"]):
              for record in event["Records"]:
                  try:
                      print("Processing record: {}".format(record))
  
                      if("eventName" in record and (record["eventName"] == "INSERT" or record["eventName"] == "MODIFY")):
                          if("dynamodb" in record and record["dynamodb"] and "NewImage" in record["dynamodb"]):
                              checkRecord(record)
  
                  except Exception as e:
                      print("Failed to process record. Exception: {}".format(e))
  
      except Exception as e:
          print("Failed to process records. Exception: {}".format(e))