public void setAgentVersion(String agentVersion) {
        this.agentVersion = agentVersion;
    }
<p>
The default OpsWorks Stacks agent version. You have the following options:
</p>
<ul>
<li>
<p>
Auto-update - Set this parameter to <code>LATEST</code>. OpsWorks Stacks automatically installs new agent
versions on the stack's instances as soon as they are available.
</p>
</li>
<li>
<p>
Fixed version - Set this parameter to your preferred agent version. To update the agent version, you must edit
the stack configuration and specify a new version. OpsWorks Stacks installs that version on the stack's
instances.
</p>
</li>
</ul>
<p>
The default setting is the most recent release of the agent. To specify an agent version, you must use the
complete version number, not the abbreviated number shown on the console. For a list of available agent version
numbers, call <a>DescribeAgentVersions</a>. AgentVersion cannot be set to Chef 12.2.
</p>
<note>
<p>
You can also specify an agent version when you create or update an instance, which overrides the stack's default
setting.
</p>
</note>

@param agentVersion
       The default OpsWorks Stacks agent version. You have the following options:</p>
       <ul>
       <li>
       <p>
       Auto-update - Set this parameter to <code>LATEST</code>. OpsWorks Stacks automatically installs new agent
       versions on the stack's instances as soon as they are available.
       </p>
       </li>
       <li>
       <p>
       Fixed version - Set this parameter to your preferred agent version. To update the agent version, you must
       edit the stack configuration and specify a new version. OpsWorks Stacks installs that version on the
       stack's instances.
       </p>
       </li>
       </ul>
       <p>
       The default setting is the most recent release of the agent. To specify an agent version, you must use the
       complete version number, not the abbreviated number shown on the console. For a list of available agent
       version numbers, call <a>DescribeAgentVersions</a>. AgentVersion cannot be set to Chef 12.2.
       </p>
       <note>
       <p>
       You can also specify an agent version when you create or update an instance, which overrides the stack's
       default setting.
       </p>
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/CreateStackRequest.java