AWS SDK for .NET Documentation
WithETagToMatch Method (etagToMatch)
AmazonAmazon.S3.ModelCopyObjectRequestWithETagToMatch(String) Did this page help you?   Yes   No    Tell us about it...
Sets an ETag to be matched as a pre-condition for copying the source object, otherwise returns a PreconditionFailed.
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 CopyObjectRequest WithETagToMatch(
	string etagToMatch
)
Parameters
etagToMatch (String)
The ETag value to be matched
Return Value
this instance
Remarks
Copies the object if its entity tag (ETag) matches the specified tag; otherwise return a 412 (precondition failed). Constraints: This property can be used with IfUnmodifiedSince, but cannot be used with other conditional copy properties.

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