Unable to retrieve a stored AWS Secretss API keys and parameters

Hi Everyone, I am new to lamda Function. I have stored my API Key and other parameters for an rest endpoint as key pair values as a secret in AWS Secret Manager. While I need to retreive the key and other parameters to construct the end point, I am unable to even print it. I have added my code below written in Python. The response is coming null along with no error and no information in logs.

import boto3 import base64 from botocore.exceptions import ClientError import json

def get_secret():

secret_name = "aXXXXXXXXXXXXXXXXXXXXXXX2cFVdm"
region_name = "apXXXXXXX1"

session = boto3.session.Session() client = session.client( service_name='secretsmanager', region_name=region_name )

# In this sample we only handle the specific exceptions for the 'GetSecretValue' API.
# See https://docs.aws.amazon.com/secretsmanager/latest/apireference/API_GetSecretValue.html
# We rethrow the exception by default.
get_secret_value_response=""
try:
    get_secret_value_response = client.get_secret_value(
        SecretId=secret_name
    )
    
except ClientError as e:
    if e.response['Error']['Code'] == 'DecryptionFailureException':
        # Secrets Manager can't decrypt the protected secret text using the provided KMS key.
        # Deal with the exception here, and/or rethrow at your discretion.
        raise e
    elif e.response['Error']['Code'] == 'InternalServiceErrorException':
        # An error occurred on the server side.
        # Deal with the exception here, and/or rethrow at your discretion.
        raise e
    elif e.response['Error']['Code'] == 'InvalidParameterException':
        # You provided an invalid value for a parameter.
        # Deal with the exception here, and/or rethrow at your discretion.
        raise e
    elif e.response['Error']['Code'] == 'InvalidRequestException':
        # You provided a parameter value that is not valid for the current state of the resource.
        # Deal with the exception here, and/or rethrow at your discretion.
        raise e
    elif e.response['Error']['Code'] == 'ResourceNotFoundException':
        # We can't find the resource that you asked for.
        # Deal with the exception here, and/or rethrow at your discretion.
        raise e
else:
    # Decrypts secret using the associated KMS key.
    # Depending on whether the secret is a string or binary, one of these fields will be populated.
    if 'SecretString' in get_secret_value_response:
        secret = get_secret_value_response['SecretString']
    else:
        decoded_binary_secret = base64.b64decode(get_secret_value_response['SecretBinary'])
        
# Your code goes here. 
return get_secret_value_response

def lambda_handler(event, context): ms=get_secret(); print(ms)