def METHOD_NAME(self) -> StatusResponse:
    """
    Set up the connection required by the handler.
    Returns:
        HandlerStatusResponse
    """
    if self.is_connected is True:
        return self.connection
    self.connection = boto3.client(
        's3',
        aws_access_key_id=self.connection_data['aws_access_key_id'],
        aws_secret_access_key=self.connection_data['aws_secret_access_key'],
        region_name=self.connection_data['region_name']
    )
    self.is_connected = True
    return self.connection