# link

[Menu navigation](https://help.shopline.com/hc/zh-cn/articles/4402190682137-%E8%8F%9C%E5%8D%95%E5%AF%BC%E8%88%AA) links. To learn how to implement menu navigation in your theme, refer to [Adding Menu Navigation to Themes](/docsv2/ec20/hgr7vj9rpaah1a6m/6q3qa2gknb3jmh4k). #### Properties Returns `true` if the link is active. Otherwise, returns `false`. A link is regarded as active if the current URL path matches the link's [URL](/docsv2/ec20/hdwvcvrgnfcjf4gq/qefgzrx6wz19e5nb). For instance, if the current URL path is `/blog/tag/cutlery`, the following link URLs would be regarded as active: - `/blog/tag/cutlery` - `/blog/tag` The `link.active` property is useful for designing the appearance of the currently selected menu navigation. For instance, if a customer is viewing an article in the "Tag" blog, the "Tag" link would be highlighted in the menu. Returns `true` if the link's child links are active. Otherwise, returns `false`. A link is considered active if the current URL path matches or contains the link's [url](/docsv2/ec20/hdwvcvrgnfcjf4gq/qefgzrx6wz19e5nb). For instance, if the current URL path is `/blog/tag/cutlery`, the following link URLs would be regarded as active: - `/blog/tag/cutlery` - `/blog/tag` Returns `true` if the current URL path aligns with any of the link's child URLs. Otherwise, it returns `false`. Ignore parameters when matching URLs. Product URLs within a collection context using the `within` helper are treated the same as standard product URLs. Returns `true` if the current URL path corresponds to the link's [URL](/docsv2/ec20/hdwvcvrgnfcjf4gq/qefgzrx6wz19e5nb). Otherwise, it returns `false`. Ignore parameters when matching URLs. Product URLs within a collection context using the `within` helper are treated the same as standard product URLs. The link's [handle](/docsv2/ec20/hdwvcvrgnfcjf4gq/r8y6fp8535csrtvt). The quantity of nested levels beneath the link. array of [link](/docsv2/ec20/hdwvcvrgnfcjf4gq/qefgzrx6wz19e5nb)]} > The child links of the link. Example Check the number of links. The title of the link. The type of the link. | Property Value | Description | |------------------|--------------| | article_link | The link directs to an article. | | blog_link | The link directs to a blog collection. | | catalog_link | The link directs to all product collections. | | collection_link | The link directs to a product collection. | | collections_link | The link directs to a collection list page. [Collection list page](https://help.shopline.com/hc/zh-cn/articles/14395898015513-%E5%95%86%E5%93%81%E5%88%86%E7%B1%BB%E7%AE%A1%E7%90%86%E4%B8%8E%E8%AE%BE%E8%AE%A1). | | frontpage_link | The link directs to the homepage. | | http_link | The link directs to an external webpage. | | page_link | The link directs to a [custom page](https://help.shopline.com/hc/zh-cn/articles/900005248563-%E8%87%AA%E5%AE%9A%E4%B9%89%E9%A1%B5%E9%9D%A2). | | policy_link | The link directs to a [policy page](https://help.shopline.com/hc/zh-cn/articles/4406084105369-%E6%B7%BB%E5%8A%A0%E5%95%86%E5%BA%97%E6%94%BF%E7%AD%96). | | product_link | The link directs to a product page. | | search_link | The link directs to a search page. | The URL of the link.