public DescribeAppRequest withAppArn(String appArn) {
        setAppArn(appArn);
        return this;
    }
<p>
Amazon Resource Name (ARN) of the Resilience Hub application. The format for this ARN is: arn:
<code>partition</code>:resiliencehub:<code>region</code>:<code>account</code>:app/<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.
</p>

@param appArn
       Amazon Resource Name (ARN) of the Resilience Hub application. The format for this ARN is: arn:
       <code>partition</code>:resiliencehub:<code>region</code>:<code>account</code>:app/<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.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-resiliencehub/src/main/java/com/amazonaws/services/resiliencehub/model/DescribeAppRequest.java