public void setErrorTimestamp(java.util.Date errorTimestamp) {
        this.errorTimestamp = errorTimestamp;
    }
<p>
The date the error occurred, in Unix epoch time.
</p>

@param errorTimestamp
       The date the error occurred, in Unix epoch time.
aws-java-sdk-iotsitewise/src/main/java/com/amazonaws/services/iotsitewise/model/BatchGetAssetPropertyValueHistoryErrorInfo.java