query

The query string of the request to be redirected. The query string must be 1 to 128 characters in length, can contain letters and printable characters. It cannot contain the following special characters: # [ ] { } \ | <&. Default value: ${query}. You can also reference ${host}, ${protocol}, and ${port}. Each variable can appear at most once. You can use the preceding variables at the same time, or use them together with a valid string.