public CreateRedshiftIdcApplicationRequest withIamRoleArn(String iamRoleArn) {
        setIamRoleArn(iamRoleArn);
        return this;
    }
<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>

@param iamRoleArn
       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.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/CreateRedshiftIdcApplicationRequest.java