AWS SDK for .NET Documentation
CallerReference Property
AmazonAmazon.CloudFront.ModelCloudFrontOriginAccessIdentityConfigCallerReference Did this page help you?   Yes   No    Tell us about it...
Gets and sets the property CallerReference. A unique number that ensures the request can't be replayed. If the CallerReference is new (no matter the content of the CloudFrontOriginAccessIdentityConfig object), a new origin access identity is created. If the CallerReference is a value you already sent in a previous request to create an identity, and the content of the CloudFrontOriginAccessIdentityConfig is identical to the original request (ignoring white space), the response includes the same information returned to the original request. If the CallerReference is a value you already sent in a previous request to create an identity but the content of the CloudFrontOriginAccessIdentityConfig is different from the original request, CloudFront returns a CloudFrontOriginAccessIdentityAlreadyExists error.
Declaration Syntax
C#
public string CallerReference { get; set; }

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