[Home](./index.md) > [@firebase/auth](./auth.md) > [ActionCodeURL](./auth.actioncodeurl.md) > [parseLink](./auth.actioncodeurl.parselink.md) ## ActionCodeURL.parseLink() method Parses the email action link string and returns an [ActionCodeURL](./auth.actioncodeurl.md) if the link is valid, otherwise returns null. Signature: ```typescript static parseLink(link: string): ActionCodeURL | null; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | link | string | The email action link string. | Returns: [ActionCodeURL](./auth.actioncodeurl.md) \| null The ActionCodeURL object, or null if the link is invalid.