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

@param iamRoleArn
       The IAM role ARN associated with the Amazon Redshift IAM Identity Center application to change. 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/ModifyRedshiftIdcApplicationRequest.java