public String getIamRoleArn() {
        return this.iamRoleArn;
    }
<p>
The IAM role ARN for the Amazon Redshift IAM Identity Center application instance. It has the required
permissions to be assumed and invoke the IDC Identity Center API.
</p>

@return The IAM role ARN for the Amazon Redshift IAM Identity Center application instance. It has the required
        permissions to be assumed and invoke the IDC Identity Center API.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/CreateRedshiftIdcApplicationRequest.java