AWS SDK for .NET Documentation
WithModifiedSinceDate Method (modifiedSinceDate)
AmazonAmazon.S3.ModelGetObjectMetadataRequestWithModifiedSinceDate(DateTime) Did this page help you?   Yes   No    Tell us about it...
Returns metadata for the object only if it has been modified since the specified time, otherwise returns a PreconditionFailed signal.
Declaration Syntax
C#
[ObsoleteAttribute("The With methods are obsolete and will be removed in version 2 of the AWS SDK for .NET. See http://aws.amazon.com/sdkfornet/#version2 for more information.")]
public GetObjectMetadataRequest WithModifiedSinceDate(
	DateTime modifiedSinceDate
)
Parameters
modifiedSinceDate (DateTime)
Date and time to be tested
Return Value
this instance
Remarks
When this is set the S3 object metadata is returned only if it has been modified since the specified time, otherwise returns a 304 (not modified).

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)