[Home](./index.md) > [@digitalpersona/core](./core.md) > [Url](./core.url.md) > [(constructor)](./core.url.(constructor).md) ## Url.(constructor) Constructs an URL object from a base URL, a path and a query object. Signature: ```typescript constructor(base: string, path?: string | null, query?: object | null); ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | base | string | base URL, e.g. https://contoso.com | | path | string | null | optional path, e.g. api/v1/user | | query | object | null | optional set of query parameters, e.g. { name: "john", type: "5" } | ## Remarks The URL is built by concatenation of a base URL with sanitized path and query object, adding all needed delimiters. Example: ## Example ``` const url = new Url("https://contoso.com", "api/v1/user", { name: "john", type: "5" }); console.log(url.href); > https://contoso.com/api/v1/user?name=john&type=5 ```