/app/code/core/Enterprise/Rma/Block/Link.php

<?php
/**
 * Magento Enterprise Edition
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Magento Enterprise Edition License
 * that is bundled with this package in the file LICENSE_EE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.magentocommerce.com/license/enterprise-edition
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Enterprise
 * @package     Enterprise_Rma
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://www.magentocommerce.com/license/enterprise-edition
 */


/**
 * RMA Return Block
 *
 * @category    Enterprise
 * @package     Enterprise_Rma
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Enterprise_Rma_Block_Link extends Mage_Core_Block_Template
{
    /**
     * Adding link to account links block link params if rma
     * is allowed globaly and for current store view
     *
     * @param string $block
     * @param string $name
     * @param string $path
     * @param string $label
     * @param array $urlParams
     * @return Enterprise_Rma_Block_Link
     */
    public function addDashboardLink($block, $name, $path, $label, $urlParams = array())
    {
        if (Mage::helper('enterprise_rma')->isEnabled()) {
            $blockInstance = $this->getLayout()->getBlock($block);
            if ($blockInstance) {
                $blockInstance->addLink($name, $path, $label, $urlParams);
            }
        }
        return $this;
    }
}