Amazon Resource Name (ARN) of the assessment. The format for this ARN is: arn:<code>partition</code>:resiliencehub:<code>region</code>:<code>account</code>:app-assessment/<code>app-id</code>. For more information about ARNs, see <a href="https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html"> Amazon Resource Names (ARNs)</a> in the <i>Amazon Web Services General Reference</i> guide.