public Job withUserMetadata(java.util.Map<String, String> userMetadata) {
        setUserMetadata(userMetadata);
        return this;
    }
<p>
User-defined metadata that you want to associate with an Elastic Transcoder job. You specify metadata in
<code>key/value</code> pairs, and you can add up to 10 <code>key/value</code> pairs per job. Elastic Transcoder
does not guarantee that <code>key/value</code> pairs are returned in the same order in which you specify them.
</p>
<p>
Metadata <code>keys</code> and <code>values</code> must use characters from the following list:
</p>
<ul>
<li>
<p>
<code>0-9</code>
</p>
</li>
<li>
<p>
<code>A-Z</code> and <code>a-z</code>
</p>
</li>
<li>
<p>
<code>Space</code>
</p>
</li>
<li>
<p>
The following symbols: <code>_.:/=+-%@</code>
</p>
</li>
</ul>

@param userMetadata
       User-defined metadata that you want to associate with an Elastic Transcoder job. You specify metadata in
       <code>key/value</code> pairs, and you can add up to 10 <code>key/value</code> pairs per job. Elastic
       Transcoder does not guarantee that <code>key/value</code> pairs are returned in the same order in which
       you specify them.</p>
       <p>
       Metadata <code>keys</code> and <code>values</code> must use characters from the following list:
       </p>
       <ul>
       <li>
       <p>
       <code>0-9</code>
       </p>
       </li>
       <li>
       <p>
       <code>A-Z</code> and <code>a-z</code>
       </p>
       </li>
       <li>
       <p>
       <code>Space</code>
       </p>
       </li>
       <li>
       <p>
       The following symbols: <code>_.:/=+-%@</code>
       </p>
       </li>
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-elastictranscoder/src/main/java/com/amazonaws/services/elastictranscoder/model/Job.java