@Override
    public AssignVolumeResult assignVolume(AssignVolumeRequest request) {
        request = beforeClientExecution(request);
        return executeAssignVolume(request);
    }
<p>
Assigns one of the stack's registered Amazon EBS volumes to a specified instance. The volume must first be
registered with the stack by calling <a>RegisterVolume</a>. After you register the volume, you must call
<a>UpdateVolume</a> to specify a mount point before calling <code>AssignVolume</code>. For more information, see
<a href="https://docs.aws.amazon.com/opsworks/latest/userguide/resources.html">Resource Management</a>.
</p>
<p>
<b>Required Permissions</b>: To use this action, an IAM user must have a Manage permissions level for the stack,
or an attached policy that explicitly grants permissions. For more information on user permissions, see <a
href="https://docs.aws.amazon.com/opsworks/latest/userguide/opsworks-security-users.html">Managing User
Permissions</a>.
</p>

@param assignVolumeRequest
@return Result of the AssignVolume operation returned by the service.
@throws ValidationException
        Indicates that a request was not valid.
@throws ResourceNotFoundException
        Indicates that a resource was not found.
@sample AWSOpsWorks.AssignVolume
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/opsworks-2013-02-18/AssignVolume" target="_top">AWS API
     Documentation</a>
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/AWSOpsWorksClient.java