public String getPermissionModel() {
        return this.permissionModel;
    }
<p>
Describes how the IAM roles required for stack set operations are created. You cannot modify
<code>PermissionModel</code> if there are stack instances associated with your stack set.
</p>
<ul>
<li>
<p>
With <code>self-managed</code> permissions, you must create the administrator and execution roles required to
deploy to target accounts. For more information, see <a
href="https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/stacksets-prereqs-self-managed.html">Grant
Self-Managed Stack Set Permissions</a>.
</p>
</li>
<li>
<p>
With <code>service-managed</code> permissions, StackSets automatically creates the IAM roles required to deploy
to accounts managed by Organizations. For more information, see <a
href="https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/stacksets-prereqs-service-managed.html"
>Grant Service-Managed Stack Set Permissions</a>.
</p>
</li>
</ul>

@return Describes how the IAM roles required for stack set operations are created. You cannot modify
        <code>PermissionModel</code> if there are stack instances associated with your stack set.</p>
        <ul>
        <li>
        <p>
        With <code>self-managed</code> permissions, you must create the administrator and execution roles
        required to deploy to target accounts. For more information, see <a href=
        "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/stacksets-prereqs-self-managed.html"
        >Grant Self-Managed Stack Set Permissions</a>.
        </p>
        </li>
        <li>
        <p>
        With <code>service-managed</code> permissions, StackSets automatically creates the IAM roles required to
        deploy to accounts managed by Organizations. For more information, see <a href=
        "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/stacksets-prereqs-service-managed.html"
        >Grant Service-Managed Stack Set Permissions</a>.
        </p>
        </li>
@see PermissionModels
aws-java-sdk-cloudformation/src/main/java/com/amazonaws/services/cloudformation/model/UpdateStackSetRequest.java