"""SNS common functions."""

import json

import boto3


def send_notification(topic_arn, message_payload):
    """Send SNS message.

    Args:
        topic_arn (str): SNS topic ARN.
        message_payload (dict): SNS message data.

    Returns:
        dict: Info about published message.

    """
    client = boto3.client('sns')
    return client.publish(
        TopicArn=topic_arn,
        Message=json.dumps(message_payload))