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# LrSqsMessage.hasSystemAttributes

Returns a Boolean value that shows whether the message has system attributes.

`public final bool hasSystemAttributes()`

## Return values

This function returns true if the current message has system attributes or false otherwise.

## Example

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    public void sendMessageByBatch_FIFO(){
     LrSqsClient.initClient(region, fifoQueueUrl);
            LrSqsClient.initMessageBatch();
            LrSqsClient.addMessageToBatch("batch message 0", "group1", "dup1");
            LrSqsClient.addMessageToBatch("batch message 1", "group1", "dup2");

            HashMap<String, LrSqsMessageAttributeValue> messageAttributes = new HashMap<String, LrSqsMessageAttributeValue>();
            messageAttributes.put("attr1", LrSqsClient.createMessageAttributeValueString("my string attribute value"));
            messageAttributes.put("attr2", LrSqsClient.createMessageAttributeValueInt("1234"));

            LrSqsClient.addMessageToBatchEx("batch message 3", "group1", "dup3", "idInBatch1", messageAttributes);

            LrSqsSendMessageBatchRequestStatus batchResponse = LrSqsClient.sendMessageBatch();
            Collection<LrSqsSendMessageBatchStatusEntry> successful_res = batchResponse.successful();

            for (LrSqsSendMessageBatchStatusEntry entry : successful_res){
                lr.output_message("Message sent successfully: " + entry.messageId());
            }

            LrSqsClient.closeClient();
    }

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