def __init__(__self__, *, bucket: pulumi.Input[str], prefix: Optional[pulumi.Input[str]]=None):
    '\n        :param pulumi.Input[str] bucket: Name of the S3 bucket.\n        :param pulumi.Input[str] prefix: An Amazon S3 object key prefix that you can use to limit signed objects keys to begin with the specified prefix.\n        '
    pulumi.set(__self__, 'bucket', bucket)
    if (prefix is not None):
        pulumi.set(__self__, 'prefix', prefix)
:param pulumi.Input[str] bucket: Name of the S3 bucket.
:param pulumi.Input[str] prefix: An Amazon S3 object key prefix that you can use to limit signed objects keys to begin with the specified prefix.
def __init__(__self__, *, bucket: pulumi.Input[str], prefix: Optional[pulumi.Input[str]]=None):
    '\n        :param pulumi.Input[str] bucket: Name of the S3 bucket.\n        :param pulumi.Input[str] prefix: An Amazon S3 object key prefix that you can use to limit signed objects keys to begin with the specified prefix.\n        '
    pulumi.set(__self__, 'bucket', bucket)
    if (prefix is not None):
        pulumi.set(__self__, 'prefix', prefix)