public void setKmsKeyId(String kmsKeyId) {
        this.kmsKeyId = kmsKeyId;
    }
<p>
The customer master key (CMK) to use for the A KMS (KMS). This key is used to encrypt your data at rest. If not
provided, Amazon MQ will use a default CMK to encrypt your data.
</p>

@param kmsKeyId
       The customer master key (CMK) to use for the A KMS (KMS). This key is used to encrypt your data at rest.
       If not provided, Amazon MQ will use a default CMK to encrypt your data.
aws-java-sdk-mq/src/main/java/com/amazonaws/services/mq/model/EncryptionOptions.java