AWS SDK for .NET Documentation
ETagsToNotMatch Property
AmazonAmazon.S3.ModelCopyPartRequestETagsToNotMatch Did this page help you?   Yes   No    Tell us about it...
Collection of ETags that must not be matched as a pre-condition for copying the source object otherwise returns a PreconditionFailed.
Declaration Syntax
C#
public List<string> ETagsToNotMatch { get; set; }
Remarks
Copies the object if its entity tag (ETag) does not match any of the specified tags; otherwise returns a 412 (failed condition). Constraints: This header can be used with IfModifiedSince, but cannot be used with other conditional copy properties.

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