public String getInstanceArn() {
        return this.instanceArn;
    }
<p>
The ARN of the instance of IAM Identity Center under which the operation will run. For more information about
ARNs, see <a href="/general/latest/gr/aws-arns-and-namespaces.html">Amazon Resource Names (ARNs) and Amazon Web
Services Service Namespaces</a> in the <i>Amazon Web Services General Reference</i>.
</p>

@return The ARN of the instance of IAM Identity Center under which the operation will run. For more information
        about ARNs, see <a href="/general/latest/gr/aws-arns-and-namespaces.html">Amazon Resource Names (ARNs)
        and Amazon Web Services Service Namespaces</a> in the <i>Amazon Web Services General Reference</i>.
aws-java-sdk-ssoadmin/src/main/java/com/amazonaws/services/ssoadmin/model/DescribeInstanceResult.java