{"title":"params - Liquid Filter Reference","slug":"params-filter-reference","url":"https://support.storeconnect.com/articles/params-filter-reference","url_markdown":"https://support.storeconnect.com/articles/params-filter-reference.md","subtitle":null,"summary":"Appends query string parameters to a URL or path. Handles existing query strings correctly by adding the appropriate separator.","type":"Developer_Documentation","video_url":"","keywords":"liquid, filters, params, url, storeconnect","last_modified":"2026-08-21T07:12:35+0000","body_markdown":"## Description\n\nAdds query params to a url or path\n\n| Property | Value |\n|----------|-------|\n| **Return Type** | string |\n| **Category** | url |\n\n## Examples\n\n\n```liquid\n\n{{ \"/about-us\" | params: foo: \"bar\" }}\n```\n\n\n**Output:** `/about-us?foo=bar`\n\n\n```liquid\n\n{{ \"/about-us?fizz=buzz\" | params: foo: \"bar\" }}\n```\n\n\n**Output:** `/about-us?fizz=buzz\u0026foo=bar`\n\n\n```liquid\n\n{{ \"http://example.com/about-us?foo=bar\" | params: fizz: \"buzz\" }}\n```\n\n\n**Output:** `http://example.com/about-us?foo=bar\u0026fizz=buzz`"}