public void setPolicyReference(ObjectReference policyReference) {
        this.policyReference = policyReference;
    }
<p>
The reference that identifies the policy object.
</p>

@param policyReference
       The reference that identifies the policy object.
aws-java-sdk-clouddirectory/src/main/java/com/amazonaws/services/clouddirectory/model/BatchListPolicyAttachments.java