public String getTrailName() {
        return this.trailName;
    }
<p>
Specifies the name of the trail or trail ARN. If you specify a trail name, the string must meet the following
requirements:
</p>
<ul>
<li>
<p>
Contain only ASCII letters (a-z, A-Z), numbers (0-9), periods (.), underscores (_), or dashes (-)
</p>
</li>
<li>
<p>
Start with a letter or number, and end with a letter or number
</p>
</li>
<li>
<p>
Be between 3 and 128 characters
</p>
</li>
<li>
<p>
Have no adjacent periods, underscores or dashes. Names like <code>my-_namespace</code> and
<code>my--namespace</code> are not valid.
</p>
</li>
<li>
<p>
Not be in IP address format (for example, 192.168.5.4)
</p>
</li>
</ul>
<p>
If you specify a trail ARN, it must be in the format:
</p>
<p>
<code>arn:aws:cloudtrail:us-east-2:123456789012:trail/MyTrail</code>
</p>
<p>
You cannot use this parameter with the <code>EventDataStore</code> parameter.
</p>

@return Specifies the name of the trail or trail ARN. If you specify a trail name, the string must meet the
        following requirements:</p>
        <ul>
        <li>
        <p>
        Contain only ASCII letters (a-z, A-Z), numbers (0-9), periods (.), underscores (_), or dashes (-)
        </p>
        </li>
        <li>
        <p>
        Start with a letter or number, and end with a letter or number
        </p>
        </li>
        <li>
        <p>
        Be between 3 and 128 characters
        </p>
        </li>
        <li>
        <p>
        Have no adjacent periods, underscores or dashes. Names like <code>my-_namespace</code> and
        <code>my--namespace</code> are not valid.
        </p>
        </li>
        <li>
        <p>
        Not be in IP address format (for example, 192.168.5.4)
        </p>
        </li>
        </ul>
        <p>
        If you specify a trail ARN, it must be in the format:
        </p>
        <p>
        <code>arn:aws:cloudtrail:us-east-2:123456789012:trail/MyTrail</code>
        </p>
        <p>
        You cannot use this parameter with the <code>EventDataStore</code> parameter.
aws-java-sdk-cloudtrail/src/main/java/com/amazonaws/services/cloudtrail/model/GetInsightSelectorsRequest.java