public void setStreamLabel(String streamLabel) {
        this.streamLabel = streamLabel;
    }
<p>
A timestamp, in ISO 8601 format, for this stream.
</p>
<p>
Note that <code>LatestStreamLabel</code> is not a unique identifier for the stream, because it is possible that a
stream from another table might have the same timestamp. However, the combination of the following three elements
is guaranteed to be unique:
</p>
<ul>
<li>
<p>
the Amazon Web Services customer ID.
</p>
</li>
<li>
<p>
the table name
</p>
</li>
<li>
<p>
the <code>StreamLabel</code>
</p>
</li>
</ul>

@param streamLabel
       A timestamp, in ISO 8601 format, for this stream.</p>
       <p>
       Note that <code>LatestStreamLabel</code> is not a unique identifier for the stream, because it is possible
       that a stream from another table might have the same timestamp. However, the combination of the following
       three elements is guaranteed to be unique:
       </p>
       <ul>
       <li>
       <p>
       the Amazon Web Services customer ID.
       </p>
       </li>
       <li>
       <p>
       the table name
       </p>
       </li>
       <li>
       <p>
       the <code>StreamLabel</code>
       </p>
       </li>
aws-java-sdk-dynamodb/src/main/java/com/amazonaws/services/dynamodbv2/model/Stream.java