public String getRoleArn() {
        return this.roleArn;
    }
<p>
The ARN of the Identity and Access Management (IAM) role that has permissions to access the Key Management
Service (KMS) key. Supplying an IAM role is only valid when also specifying a KMS key.
</p>

@return The ARN of the Identity and Access Management (IAM) role that has permissions to access the Key
        Management Service (KMS) key. Supplying an IAM role is only valid when also specifying a KMS key.
aws-java-sdk-personalize/src/main/java/com/amazonaws/services/personalize/model/DatasetGroup.java